Review Of Bones, Joints, And Skeleton

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| By AdamGraupe
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AdamGraupe
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Quizzes Created: 5 | Total Attempts: 31,361
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Review Of Bones, Joints, And Skeleton - Quiz

Bones and the skeletal system practice quiz Adam Graupe


Questions and Answers
  • 1. 

    Bones are classified by shape.  Which shape is the below bone?Humerus

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    B. Long
    Explanation
    The humerus is classified as a long bone. Long bones are characterized by their elongated shape and consist of a shaft (diaphysis) with two ends (epiphyses). They provide support, mobility, and strength to the body. The humerus is the long bone located in the upper arm, connecting the shoulder to the elbow joint.

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  • 2. 

    Bones are classified by shape.  Which shape is the below?Cube bones of the wrist.

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    A. Short
    Explanation
    Short bones are cube-shaped bones that are approximately equal in length, width, and thickness. They provide stability and support to the body and are found in the wrists and ankles. Therefore, the statement "Cube bones of the wrist" refers to short bones.

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  • 3. 

    Bones are classified by shape.  Which shape is the below?Cube bones of the ankle

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    A. Short
    Explanation
    Short bones are classified by their shape. They are typically cube-shaped, such as the bones of the ankle. Short bones provide stability and support to the body and are found in areas that require limited movement, such as the wrists and ankles. They are composed of cancellous bone covered by a thin layer of compact bone. Unlike long bones, short bones do not have a medullary cavity.

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  • 4. 

    Bones are classified by shape.  Which shape is the below?The patella

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    A. Short
    Explanation
    The patella, also known as the kneecap, is classified as a short bone. Short bones are typically cube-shaped and provide stability and support to the body. The patella is a small, sesamoid bone located in front of the knee joint. Its short shape allows it to fit into the tendon of the quadriceps muscle and assist in the movement of the knee joint.

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  • 5. 

    Bones are classified by shape.  Which shape is the below?The sternum and most skull bones

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    C. Flat
    Explanation
    The sternum and most skull bones are classified as flat bones because they have a relatively thin and flat shape. Flat bones provide protection to internal organs and have a broad surface area for muscle attachment. They are typically found in areas such as the skull, sternum, and ribs.

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  • 6. 

    Bones are classified by shape.  Which shape is the below?The os coxa

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    D. Irregular
    Explanation
    The os coxa, also known as the hip bone, is classified as an irregular bone. Irregular bones do not fit into the other categories of bone shapes, such as long, short, or flat. They have complex shapes with varying sizes and contours, and their primary function is to provide support and protection to internal organs. The os coxa is a good example of an irregular bone due to its unique shape and structure.

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  • 7. 

    Bones are classified by shape.  Which shape is the below?The vertebrae

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    D. Irregular
    Explanation
    The vertebrae are classified as irregular bones. Irregular bones do not have a definite shape and vary in their appearance. They often have complex shapes with multiple projections and are found in the spinal column, such as the vertebrae. These bones provide support, protection, and flexibility to the spine.

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  • 8. 

    Bones are classified by shape.  Which shape is the below?The hip bones

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    D. Irregular
    Explanation
    The hip bones are classified as irregular bones. Irregular bones do not fit into any other classification category due to their unique shape and structure. They have complex shapes with varying sizes and are found in specific locations in the body, such as the hip bones.

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  • 9. 

    Away from the midline

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    Q. ABDUCTION
    Explanation
    Abduction refers to movement away from the midline of the body. It is the opposite of adduction, which is movement towards the midline. In the context of the given options, abduction is the only term that directly relates to movement. The other options are either anatomical structures or other types of movements. Therefore, the correct answer is abduction.

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  • 10. 

    Palms down

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    L. PRONATION
    Explanation
    Pronation refers to the rotation of the forearm and hand in such a way that the palm faces downwards. This movement is possible due to the specific structure and arrangement of bones in the forearm, namely the radius and ulna. When the radius crosses over the ulna, it causes the palm to turn downwards. Pronation is an important movement in activities such as throwing, writing, and turning a doorknob.

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  • 11. 

    Palms upward

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    S. SUPINATION
    Explanation
    Supination refers to the movement of the forearm and hand where the palm is turned upward or facing forward. This movement is made possible by the rotation of the radius bone in the forearm. It is the opposite of pronation, where the palm is turned downward or facing backward. Supination is an important movement that allows for tasks such as holding a cup or turning a doorknob.

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  • 12. 

    Ankle bent so the toes are pointing up, as in standing or walking on your heels.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    M. DORSIFLEXION
    Explanation
    Dorsiflexion refers to the movement of the ankle where the toes are pointing up, as in standing or walking on your heels. This movement is achieved by contracting the muscles on the front of the leg, specifically the tibialis anterior muscle. Dorsiflexion is important for activities such as walking, running, and maintaining balance.

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  • 13. 

    Turning the sole of the foot outward away from the body

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    R. EVERSION
    Explanation
    Eversion refers to the movement of turning the sole of the foot outward away from the body. It is the opposite movement of inversion, which is the turning of the sole of the foot inward towards the body. Eversion occurs at the subtalar joint, which is a synovial joint that allows for side-to-side movement of the foot. This movement is important for activities such as walking on uneven surfaces and maintaining balance.

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  • 14. 

    Toward the midline

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    J. ADDUCTION
    Explanation
    Adduction is the movement of a body part towards the midline of the body. This can occur at various joints in the body, such as the hip, shoulder, or wrist. It is the opposite of abduction, which is the movement of a body part away from the midline. In adduction, the body part is brought closer to the center of the body, allowing for actions such as bringing the arms down to the sides or bringing the legs together.

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  • 15. 

    Turning the sole of the foot inward, so it faces the opposite foot

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    K. INVERSION
    Explanation
    Inversion refers to the movement of turning the sole of the foot inward, so it faces the opposite foot. This movement occurs at the ankle joint and is commonly used during activities such as walking or running. Inversion helps to stabilize the foot and ankle, as well as maintain balance and control. It is an important movement in sports and activities that require quick changes in direction or agility.

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  • 16. 

    Toes point down as in walking on the tip toes, or as in toe dancing in ballet.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    T. PLANTAR FLEXION
    Explanation
    Plantar flexion is the movement of the foot and toes downward, as in pointing the toes or standing on tiptoe. This movement is commonly seen in activities such as walking, running, and ballet dancing. It is achieved by contracting the calf muscles, specifically the gastrocnemius and soleus muscles, which pull the heel up and the toes down. Plantar flexion is an important movement for walking and maintaining balance, as it allows the foot to push off the ground and propel the body forward.

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  • 17. 

    Twisting or pivoting of a bone around a central axis

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    N. ROTATION
    Explanation
    Rotation refers to the twisting or pivoting of a bone around a central axis. It is a movement that allows for a circular or spinning motion. This can occur in various joints of the body, such as the shoulder, hip, or spine. During rotation, the bone moves in a rotational manner without changing its position in space. This movement is important for various activities, such as turning the head, rotating the arm, or twisting the trunk.

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  • 18. 

    The peg-in-socket fibrous joint between a tooth and its aveolar socket....The fibrous connection is the periodontal ligament.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    C. GOMPHOSIS
  • 19. 

    A bar or plate of hyaline cartilage unites the bones. Examples include epiphyseal plates of children, and joint between the costal cartilage of the first rib and the sternum.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    A. SYNCHONDROSES
    Explanation
    Synchondroses are a type of joint where a bar or plate of hyaline cartilage unites the bones. This type of joint is found in areas such as the epiphyseal plates of children and the joint between the costal cartilage of the first rib and the sternum. Synchondroses allow for limited movement and are considered to be a type of synarthrosis joint.

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  • 20. 

    Hyaline cartilage covers the articulating surface of the bone and is fused to an intervening pad of fibrocartilage.  Amphiarthrotic joints designed for strength and flexibility.  Examples include intervertebral joints and the public symphysis of the pelvis. 

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    E. SYMPHYSIS
    Explanation
    The correct answer is "SYMPHYSIS". The given statement mentions that hyaline cartilage covers the articulating surface of the bone and is fused to an intervening pad of fibrocartilage. This description matches the characteristics of a symphysis joint. Symphysis joints are amphiarthrotic joints that provide both strength and flexibility. They are found in the intervertebral joints and the pubic symphysis of the pelvis.

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  • 21. 

    Classification of joints:  Functional:This class of joint is immovable:

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    B. SYNARTHROSES
    Explanation
    Synarthroses is the correct answer because it refers to a class of joints that are immovable. This classification includes joints such as synchondroses, gomphosis, sutures, and symphysis. These joints have little to no movement and are typically found in the skull or between the bones of the pelvis.

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  • 22. 

    Classification of joints:  Functional:This class of joint is slightly movable:

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    G. AMPHIATHROSIS
    Explanation
    Amphiathrosis is a type of joint that is slightly movable. It allows for limited movement due to the presence of fibrocartilage or hyaline cartilage between the articulating bones. This type of joint is found in the spine and between the pubic bones. It provides stability and support while allowing for some flexibility.

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  • 23. 

    Classification of joints:  Functional:This class of joint is freely movable:

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    F. DIARTHROSIS
    Explanation
    Diarthrosis is the correct answer because it is a functional joint that is freely movable. Diarthrosis joints are characterized by having a synovial cavity, articular cartilage, synovial membrane, and ligaments. These joints allow for a wide range of movement and are found in the limbs, such as the knee and shoulder joints.

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  • 24. 

    Classification of joints:  Fibrous structural joints:Occur between bones of the skull.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    D. SUTURE
  • 25. 

    Classification of joints:  Fibrous structural joints:Comprised of interlocking junctions filled with connective tissue fibers.  Bind tightly together, but allow for growth during youth. 

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    D. SUTURE
    Explanation
    A suture is a type of fibrous joint that is found in the skull. It is formed by interlocking junctions filled with connective tissue fibers, which bind the bones of the skull tightly together. Sutures allow for some flexibility and movement during growth in youth, but become more rigid and immovable in adulthood. This type of joint provides stability and protection for the brain and other structures within the skull.

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  • 26. 

    Classification of joints:  Fibrous structural joints:In middle age these fuse and are called synostoses.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    D. SUTURE
    Explanation
    The given answer "SUTURE" is a type of fibrous structural joint. Sutures are found only in the skull and are immovable joints that fuse the bones of the skull together. In middle age, these sutures fuse completely and become synostoses.

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  • 27. 

    These are the three types of fibrous structural joints.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    • V.

      Sutures, syndesmoses, and gomphoses

    • W.

      Synarthroses, amphiarthroses, and diarthroses

    Correct Answer
    V. Sutures, syndesmoses, and gomphoses
    Explanation
    The correct answer is "Sutures, syndesmoses, and gomphoses." These are the three types of fibrous structural joints. Sutures are immovable joints found in the skull where the bones are tightly joined together. Syndesmoses are slightly movable joints where the bones are connected by ligaments, such as the tibia and fibula in the lower leg. Gomphoses are also immovable joints where the teeth are anchored in the sockets of the jawbone. These three types of joints play different roles in providing stability and movement in the body.

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  • 28. 

    These are the three functional classes of joints:

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    • V.

      Sutures, syndesmoses, and gomphoses

    • W.

      Synarthroses, amphiarthroses, and diarthroses

    Correct Answer
    W. Synarthroses, amphiarthroses, and diarthroses
    Explanation
    The correct answer is a list of the three functional classes of joints: synarthroses, amphiarthroses, and diarthroses. Synarthroses are immovable joints, such as sutures in the skull. Amphiarthroses are slightly movable joints, such as syndesmoses which connect bones with ligaments. Diarthroses are freely movable joints, such as the knee or shoulder joints. These three classes categorize joints based on their degree of movement and provide a framework for understanding the different types of joints in the human body.

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  • 29. 

    The hip joint socket

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    • V.

      Sutures, syndesmoses, and gomphoses

    • W.

      Synarthroses, amphiarthroses, and diarthroses

    Correct Answer
    P. ACETABULUM
    Explanation
    The correct answer is ACETABULUM. The acetabulum is the socket of the hip joint, where the head of the femur (thigh bone) fits into. It is a part of the diarthrosis joint, which is a freely movable joint. The other options listed are different types of joints or anatomical terms related to joints, but they are not specifically related to the hip joint socket.

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  • 30. 

    Palms upward

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    • V.

      Sutures, syndesmoses, and gomphoses

    • W.

      Synarthroses, amphiarthroses, and diarthroses

    Correct Answer
    S. SUPINATION
  • 31. 

    Palms upward

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    • V.

      Sutures, syndesmoses, and gomphoses

    • W.

      Synarthroses, amphiarthroses, and diarthroses

    Correct Answer
    S. SUPINATION
    Explanation
    Supination refers to the movement of the forearm and hand where the palm is turned upward or facing forward. This movement occurs at the radioulnar joint and allows for the rotation of the radius and ulna bones. It is an example of a movement that can occur at a diarthrosis joint, which is a freely movable joint. The other options listed are either incorrect terms or do not relate to the movement described in the question.

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  • 32. 

    Classification of joints:  Fibrous structural joints:Bones are connected by a fibrous tissue ligament.  Movement varies from immovable to slightly variable.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    H. SYNDESMOSIS
    Explanation
    A syndesmosis is a type of fibrous joint where the bones are connected by a ligament or a sheet of fibrous tissue. This type of joint allows for limited movement, as the ligament provides some flexibility. It is different from other types of fibrous joints, such as sutures or gomphoses, which are immovable or only slightly movable. In a syndesmosis, the ligament allows for some degree of movement, but it is not as mobile as a synovial joint.

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  • 33. 

    Classification of joints:  Fibrous structural joints:Examples of this include the connection between the tibia and fibula, and the radius and ulna. 

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    H. SYNDESMOSIS
    Explanation
    A syndesmosis is a type of fibrous joint where the bones are connected by a ligament. This type of joint allows for limited movement and provides stability to the bones. Examples of syndesmosis joints include the connection between the tibia and fibula, and the radius and ulna.

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  • 34. 

    Classification of joints:  Fibrous structural joints:Examples of this include the connection between the tibia and fibula, and the radius and ulna. 

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    H. SYNDESMOSIS
    Explanation
    A syndesmosis is a type of fibrous joint where the bones are connected by a ligament or a fibrous membrane. This type of joint allows for limited movement and provides stability to the bones. Examples of syndesmosis joints include the connection between the tibia and fibula, and the radius and ulna.

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  • 35. 

    Movement describes a cone in space

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    I. CIRCUMDUCTION
  • 36. 

    Central channel containing blood vessels and nerves

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    U. HAVERSIAN CANAL
    Explanation
    The Haversian canal is a central channel in bone that contains blood vessels and nerves. It is responsible for supplying nutrients and oxygen to the bone cells and removing waste products. The Haversian canal is a key component of the Haversian system, which is the structural unit of compact bone. It consists of concentric layers of bone tissue called lamellae, which surround the Haversian canal. Therefore, the correct answer is HAVERSIAN CANAL.

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  • 37. 

    Double-layered protective membrane...outer fibrous layer is dense regular connective tissue.  Inner layer is composed of osteoblasts and osteoclasts.  Richly supplied with nerve fibers, blood and lymphatic vessels.

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURE

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    O. PERIOSTEUM
    Explanation
    The correct answer is PERIOSTEUM. The perisoteum is a double-layered protective membrane that covers the outer surface of bones. The outer fibrous layer is made up of dense regular connective tissue, providing strength and protection to the bone. The inner layer of the periosteum contains osteoblasts and osteoclasts, which are responsible for bone growth and remodeling. The periosteum is also richly supplied with nerve fibers, blood vessels, and lymphatic vessels, allowing for the exchange of nutrients and waste products.

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  • 38. 

    All bones of the skull are lined by these

    • A.

      SYNCHONDROSES

    • B.

      SYNARTHROSES

    • C.

      GOMPHOSIS

    • D.

      SUTURES

    • E.

      SYMPHYSIS

    • F.

      DIARTHROSIS

    • G.

      AMPHIATHROSIS

    • H.

      SYNDESMOSIS

    • I.

      CIRCUMDUCTION

    • J.

      ADDUCTION

    • K.

      INVERSION

    • L.

      PRONATION

    • M.

      DORSIFLEXION

    • N.

      ROTATION

    • O.

      PERIOSTEUM

    • P.

      ACETABULUM

    • Q.

      ABDUCTION

    • R.

      EVERSION

    • S.

      SUPINATION

    • T.

      PLANTAR FLEXION

    • U.

      HAVERSIAN CANAL

    Correct Answer
    D. SUTURES
    Explanation
    Sutures are fibrous joints that connect the bones of the skull. They are formed by dense connective tissue that holds the bones together, allowing for minimal movement. Sutures provide stability and protection for the brain and other structures within the skull. They also allow for growth and development of the skull during infancy and childhood.

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  • 39. 

    THE SHAFT THAT FORMS THE LONG AXIS OF THE BONE.  IT IS CONSTRUCTED OF A THICK COLLAR OF COMPACT BONE THAT SURROUNDS THE MEDULLARY CAVITY.

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    Correct Answer
    A. DIAPHYSIS
    Explanation
    The diaphysis refers to the shaft of a long bone, which is constructed of a thick collar of compact bone that surrounds the medullary cavity. This is in contrast to the epiphysis, which refers to the ends of the long bone. The diaphysis is responsible for providing support and strength to the bone, while also housing the medullary cavity where bone marrow is produced.

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  • 40. 

    THE BONE ENDS COVERED BY THIN LAYER OF ARTICULAR HYALINE CARTILAGE.

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    Correct Answer
    B. EPIPHYSIS
    Explanation
    The epiphysis is the correct answer because it refers to the end part of a long bone that is covered by a thin layer of articular hyaline cartilage. This cartilage helps to reduce friction and absorb shock during joint movement. The epiphysis also contains red marrow, which is responsible for producing blood cells. This explanation fits with the given statement and accurately describes the epiphysis.

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  • 41. 

    THIS TYPE OF BONE FORMS THE EXTERIOR OF EPIpHYSES

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    Correct Answer
    L. COMPACT BONE
    Explanation
    Compact bone forms the exterior of epiphyses.

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  • 42. 

    THIS TYPE OF BONE FORMS THE INTERIOR OF EPIpHYSES (BONE ENDS)

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    Correct Answer
    M. SPONGY BONE
    Explanation
    Spongy bone is the correct answer because it forms the interior of the epiphyses, which are the bone ends. Spongy bone is less dense and has a lattice-like structure, allowing it to provide support and strength while also reducing the weight of the bone. It contains red marrow, which is responsible for producing blood cells, making it important for hematopoiesis. In contrast, compact bone forms the diaphysis, or the shaft of the bone, and is denser and more solid in structure.

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  • 43. 

    THE FUNCTION OF THESE INCLUDE:A storehouse for calcium salts.Produce blood cells.Protect delicate structers like the spinal cord.

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    M. SPONGY BONE
    Explanation
    Spongy bone is a type of bone tissue that has a porous, honeycomb-like structure. It is responsible for producing blood cells and storing red marrow. Unlike compact bone, which is dense and hard, spongy bone is lighter and less dense. It is found at the ends of long bones, such as the epiphysis, and in the interior of flat bones, such as the bones of the skull. Spongy bone also helps to distribute forces and reduce the weight of the skeleton, making it an important component in protecting delicate structures like the spinal cord.

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  • 44. 

    Bones are classified by shape.  Which shape is the below?The scapula

    • A.

      Short

    • B.

      Long

    • C.

      Flat

    • D.

      Irregular

    Correct Answer
    C. Flat
    Explanation
    The scapula is classified as a flat bone. Flat bones are thin, flat, and often curved bones that provide protection to internal organs and serve as attachment sites for muscles. The scapula, also known as the shoulder blade, is a large, triangular-shaped flat bone located on the back of the shoulder. It helps to stabilize and move the shoulder joint and provides attachment points for various muscles involved in arm and shoulder movements.

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  • 45. 

    Mature bone cells

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    E. OSTEOCYTES
    Explanation
    Osteocytes are mature bone cells that are found within the lacunae of bone tissue. They are responsible for maintaining the health and integrity of the bone matrix. Osteocytes communicate with each other and with other bone cells through small channels called canaliculi. They play a crucial role in bone remodeling and repair, as well as in the regulation of calcium and phosphate levels in the body. Osteocytes are derived from osteoblasts, which are responsible for bone formation, and they can also differentiate into osteoclasts, which are responsible for bone resorption. Therefore, osteocytes are an important component of bone tissue and contribute to its overall structure and function.

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  • 46. 

    Bone-forming cells

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    C. OSTEOBLASTS
    Explanation
    Osteoblasts are bone-forming cells that are responsible for synthesizing and secreting the organic components of the bone matrix. They play a crucial role in bone development, growth, and repair. Osteoblasts are found in both the diaphysis (shaft) and epiphysis (ends) of long bones, as well as in other bones throughout the body. They are involved in the process of bone mineralization by depositing calcium and other minerals onto the bone matrix. Osteoblasts eventually become osteocytes, which are mature bone cells that maintain and monitor the bone tissue.

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  • 47. 

    Cells that resorb or break down bone matrix

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    D. OSTEOCLASTS
    Explanation
    Osteoclasts are cells that resorb or break down bone matrix. They are responsible for the process of bone resorption, which helps in the remodeling and repair of bones. Osteoclasts play a crucial role in maintaining the balance between bone formation and bone resorption, ensuring the overall health and integrity of the skeletal system. They are multinucleated cells that secrete enzymes and acids to dissolve the mineralized matrix of bone, allowing the release of calcium and other minerals into the bloodstream. This process is essential for bone growth, repair, and remodeling throughout life.

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  • 48. 

    Cells that resorb or break down bone matrix

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    D. OSTEOCLASTS
    Explanation
    Osteoclasts are cells that resorb or break down bone matrix. They play a crucial role in bone remodeling and repair. Osteoclasts are multinucleated cells derived from monocytes and macrophages. They are responsible for the breakdown of old or damaged bone tissue, allowing for the removal of mineralized matrix and the subsequent formation of new bone. This process is essential for maintaining bone health and integrity. Osteoclasts are regulated by various factors, including hormones and cytokines, and their dysfunction can lead to bone diseases such as osteoporosis.

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  • 49. 

    This is found in the medullary cavity and in ALL ares of spongy bone

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    J. RED MARROW
    Explanation
    Red marrow is found in the medullary cavity and in all areas of spongy bone. It is responsible for the production of red blood cells, white blood cells, and platelets. Red marrow contains a high concentration of blood vessels and hematopoietic stem cells, which are responsible for the production of new blood cells. This is in contrast to yellow marrow, which is mainly composed of fat cells and is found in the medullary cavity of long bones. Therefore, the presence of red marrow in both the medullary cavity and spongy bone supports the correct answer.

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  • 50. 

    This is found in the diploe of flat bones and the head of the femur and humerus

    • A.

      DIAPHYSIS

    • B.

      EPIPHYSIS

    • C.

      OSTEOBLASTS

    • D.

      OSTEOCLASTS

    • E.

      OSTEOCYTES

    • F.

      FONTANELS

    • G.

      UNIAXIAL

    • H.

      BIAXIAL

    • I.

      NONAXIAL

    • J.

      RED MARROW

    • K.

      YELLOW MARROW

    • L.

      COMPACT BONE

    • M.

      SPONGY BONE

    • N.

      BONES

    Correct Answer
    J. RED MARROW
    Explanation
    Red marrow is found in the diploe of flat bones and the head of the femur and humerus. Red marrow is responsible for the production of blood cells, including red blood cells, white blood cells, and platelets. It contains a high concentration of blood vessels and hematopoietic stem cells, which differentiate into various types of blood cells. Red marrow is important for maintaining the body's blood cell count and plays a crucial role in immune function and oxygen transport.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 07, 2011
    Quiz Created by
    AdamGraupe
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