Trivia Quiz On Functions Of Bones!
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Questions and Answers
- 1.
All of the following are the functions of bone except
- A.
Supports and gives shape to the body
- B.
Consists of a single layer of cube shaped cells
- C.
Protects internal organs
- D.
Stores Calcium
Correct Answer
B. Consists of a single layer of cube shaped cellsExplanation
The given answer, "Consists of a single layer of cube-shaped cells," is correct because bones are made up of multiple layers of different types of cells, such as osteoblasts, osteocytes, and osteoclasts. These cells are responsible for bone formation, maintenance, and remodeling. The structure of bone is composed of a hard outer layer called compact bone and a spongy inner layer called cancellous bone. This arrangement provides strength and support to the body, protects internal organs, and stores calcium. However, bones do not consist of a single layer of cube-shaped cells.Rate this question:
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- 2.
Mark all four types of bones.
- A.
Long
- B.
Irregular
- C.
Extender
- D.
Flat
- E.
Short
Correct Answer(s)
A. Long
B. Irregular
D. Flat
E. ShortExplanation
The question asks for the types of bones, and the correct answer includes four types: long, irregular, flat, and short. Long bones are characterized by their elongated shape, such as the femur or humerus. Irregular bones have a unique shape and do not fit into any other category, like the vertebrae or facial bones. Flat bones are thin and flat, providing protection and often serving as attachment sites for muscles, such as the skull or sternum. Short bones are small and cube-shaped, found in the wrists and ankles.Rate this question:
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- 3.
The articular cartilage
- A.
Support the skelleton as a rigid frame.
- B.
Protects and cusions the end of the bone and provides a smooth surface for movement.
- C.
The long shaft of bone that extends betweeen the two epiphyses.
- D.
A line of fusion, in mature bones
Correct Answer
B. Protects and cusions the end of the bone and provides a smooth surface for movement.Explanation
The correct answer is "Protects and cushions the end of the bone and provides a smooth surface for movement." The articular cartilage is a type of connective tissue that covers the ends of bones in a joint. Its purpose is to protect the bone from friction and wear, as well as to provide a smooth surface that allows for easy movement and reduces friction between bones during joint motion. This helps to maintain joint health and proper functioning.Rate this question:
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- 4.
The periosteum
- A.
Contains yellow marrow
- B.
Spongy bone that contains red bone marrow
- C.
Covers eiphyses as a cushion
- D.
Strong membrane covering bone
Correct Answer
D. Strong membrane covering boneExplanation
The periosteum is a strong membrane that covers bones. It serves as a protective layer and helps in the formation and repair of bones. It contains blood vessels, nerves, and connective tissues that nourish the bone and aid in its growth and healing. The periosteum also plays a role in anchoring tendons and ligaments to the bone. Overall, it acts as a protective and supportive covering for bones.Rate this question:
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- 5.
The endosteum
- A.
Lines medullary cavity
- B.
A band or cord of fibrous connective tissue
- C.
Dense bone tissue formed of numerous tightley packed osteons
- D.
A joint formed between two bones
Correct Answer
A. Lines medullary cavityExplanation
The endosteum is a thin layer of connective tissue that lines the medullary cavity of long bones. The medullary cavity is the central cavity within the bone that contains bone marrow. The endosteum plays a role in bone growth, repair, and remodeling by providing a surface for bone-forming cells to attach and by participating in the exchange of nutrients and waste products between the bone marrow and the bone tissue. Therefore, the endosteum lines the medullary cavity, making it the correct answer.Rate this question:
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- 6.
The medullary cavity
- A.
A bone cell that deposits matrix
- B.
Contains yellow marrow
- C.
Contains red bone marrow
- D.
Bone tissue that contains numerous spaces filled with red marrow
Correct Answer
B. Contains yellow marrowExplanation
The medullary cavity is a hollow space within the long bones of the body. It is filled with yellow marrow, which is a fatty tissue that stores energy. Yellow marrow is found in the central cavity of long bones in adults, whereas red marrow is found in the spongy bone tissue at the ends of long bones and in the flat bones. Red marrow is responsible for producing blood cells. Therefore, the correct answer is that the medullary cavity contains yellow marrow.Rate this question:
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- 7.
Osteoblasts
- A.
Resorbs bone
- B.
Fibrous membrane that covers bone
- C.
Forms new bone
- D.
An air filled cavity in a bone
Correct Answer
C. Forms new boneExplanation
Osteoblasts are cells that are responsible for the formation of new bone. They play a crucial role in bone development and repair. These cells secrete proteins and other substances that help in the deposition of new bone tissue. Osteoblasts are derived from mesenchymal stem cells and are found on the surface of bone. They are involved in the mineralization process, where they deposit calcium and other minerals to form new bone. Overall, osteoblasts are essential for maintaining bone health and integrity.Rate this question:
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- 8.
Osteoclasts
- A.
Form new bone
- B.
Resorb bone
- C.
Dissociates bone
- D.
Forms new cartilage
Correct Answer
B. Resorb boneExplanation
Osteoclasts are specialized cells that are responsible for the resorption or breakdown of bone tissue. They secrete enzymes and acids that dissolve the mineralized matrix of bone, allowing the release of calcium and other minerals into the bloodstream. This process is essential for maintaining bone health and remodeling, as it allows for the removal of old or damaged bone tissue and the formation of new bone by other cells called osteoblasts. Therefore, the correct answer is "Resorb bone."Rate this question:
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- 9.
The axial skeleton contains the skull, hyoid bone, thorax, and spine.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The axial skeleton refers to the central part of the skeleton that includes the skull, hyoid bone, thorax (rib cage), and spine. These structures are all located along the body's central axis and provide support and protection for vital organs such as the brain, heart, and lungs. Therefore, the statement that the axial skeleton contains the skull, hyoid bone, thorax, and spine is true.Rate this question:
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- 10.
No movement) Fibrous connective tissue grows between articulating bones.
- A.
Diarthrosis
- B.
Synarthrosis
- C.
Amphiarthrosis
- D.
Endochondral
Correct Answer
B. SynarthrosisExplanation
Synarthrosis is the correct answer because it refers to a type of joint that is immovable or has very limited movement. In synarthrosis, fibrous connective tissue grows between articulating bones, creating a strong and stable connection. This type of joint is commonly found in the skull sutures, where the bones are tightly fused together and do not allow any movement. Therefore, synarthrosis accurately describes the situation described in the question.Rate this question:
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- 11.
(Slight movement) cartilage connects articulating bones.
- A.
Amphiarthrosis
- B.
Ossification
- C.
Diarthrosis
- D.
Endochondral
Correct Answer
A. AmphiarthrosisExplanation
Amphiarthrosis refers to a type of joint that allows slight movement between articulating bones. Cartilage plays a crucial role in these joints by connecting the bones and providing cushioning and support. This type of joint is commonly found in the spine and pelvis, allowing for limited movement while maintaining stability. Ossification, diarthrosis, and endochondral are not relevant to the given statement.Rate this question:
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- 12.
(Free movement) also called synovial joints; most joints belong to this class
- A.
Synarthrosis
- B.
Sphenoid
- C.
Diarthrosis
- D.
Amphiarthrosis
Correct Answer
C. DiarthrosisExplanation
Diarthrosis is the correct answer because it refers to freely movable joints, also known as synovial joints. Most joints in the body belong to this class, allowing for a wide range of movement due to the presence of a synovial cavity and synovial fluid.Rate this question:
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- 13.
A lateral deviation of the spine.
- A.
Scoliosis
- B.
Kyphosis
- C.
Lordosis
- D.
Canalosis
Correct Answer
A. ScoliosisExplanation
Scoliosis is a condition characterized by a lateral deviation of the spine. It causes an abnormal sideways curvature, resulting in an "S" or "C" shape of the spine. This condition can lead to uneven shoulders, waist, or hips, as well as back pain and discomfort. Kyphosis refers to an excessive forward rounding of the upper back, while lordosis is an exaggerated inward curvature of the lower back. Canalosis is not a recognized medical term, and therefore, it is not the correct answer.Rate this question:
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- 14.
A flexion deformity of the spine.
- A.
Scoliosis
- B.
Kyphosis
- C.
Lordosis
- D.
Canalosis
Correct Answer
B. KyphosisExplanation
Kyphosis is the correct answer because it refers to a flexion deformity of the spine, specifically an abnormal forward rounding of the upper back. This condition can cause a hunched posture and may be caused by factors such as poor posture, osteoporosis, or certain medical conditions. Scoliosis, on the other hand, refers to a sideways curvature of the spine, while lordosis is an excessive inward curvature of the lower back. Canalosis is not a recognized medical term.Rate this question:
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- 15.
An extension deformity of the spine.
- A.
Scoliosis
- B.
Kyphosis
- C.
Lordosis
- D.
Canalosis
Correct Answer
C. LordosisExplanation
Lordosis is the correct answer because it refers to an extension deformity of the spine. Lordosis is characterized by an excessive inward curvature of the lower back, causing the buttocks to protrude. This condition can be caused by various factors such as poor posture, obesity, or certain medical conditions. Scoliosis, on the other hand, refers to a sideways curvature of the spine, while kyphosis is an excessive outward curvature of the upper back. Canalosis is not a recognized medical term.Rate this question:
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- 16.
Form the sides and roof of the cranium.
- A.
Frontal bone
- B.
Parietal bone
- C.
Occipital bone
- D.
Temporal Bone
Correct Answer
B. Parietal boneExplanation
The parietal bone is one of the bones that form the sides and roof of the cranium. It is located towards the top and sides of the skull, and it helps protect the brain. The parietal bone connects with other bones of the cranium, such as the frontal bone, occipital bone, and temporal bone, to provide structural support to the skull.Rate this question:
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- 17.
Forms the anterior part of the cranium.
- A.
Frontal bone
- B.
Parietal bones
- C.
Occipital bone
- D.
Temporal bone
Correct Answer
A. Frontal boneExplanation
The frontal bone forms the anterior part of the cranium. It is located at the front of the skull and extends from the forehead to the top of the head. The frontal bone is responsible for protecting the frontal lobes of the brain and also plays a role in facial aesthetics. It joins with the parietal bones at the coronal suture and with the ethmoid and sphenoid bones at the frontonasal suture. Overall, the frontal bone is an important component of the skull structure.Rate this question:
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- 18.
Located inferior to the parietal bones on each side of the cranium.
- A.
Frontal bone
- B.
Parietal bone
- C.
Occipital bone
- D.
Temporal bone
Correct Answer
D. Temporal boneExplanation
The temporal bone is located inferior to the parietal bones on each side of the cranium. It forms the lower sides and base of the skull, housing important structures such as the middle and inner ear, as well as the temporomandibular joint. It also contributes to the formation of the temple region and the side of the skull.Rate this question:
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- 19.
Forms part of the floor of the cranium.
- A.
Sphenoid bone
- B.
Parietal bone
- C.
Frontal bone
- D.
Occipital
Correct Answer
A. Sphenoid boneExplanation
The sphenoid bone is a bone that forms part of the floor of the cranium. It is located in the middle of the skull, behind the eye sockets. The sphenoid bone is a complex bone with multiple parts, including the body, wings, and processes. It is an important bone that helps to support the brain and protect vital structures within the cranium.Rate this question:
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- 20.
Form the upper jaw.
- A.
Ethmoid
- B.
Nasal conchae
- C.
Maxillae
- D.
Mastoid
Correct Answer
C. MaxillaeExplanation
Maxillae refers to the upper jaw bone in the human skull. It is a paired bone that forms the central part of the facial skeleton. The maxillae are responsible for supporting the upper teeth, forming the roof of the mouth, and contributing to the structure of the nasal cavity. They also play a role in facial expression and provide attachment points for various muscles. Therefore, the correct answer is Maxillae.Rate this question:
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- 21.
Serve as shock absorbers and allow bending of the spinal column.
- A.
Cervical vertebrae
- B.
Intervertebral disks
- C.
Atlas
- D.
Axis
Correct Answer
B. Intervertebral disksExplanation
Intervertebral disks serve as shock absorbers and allow bending of the spinal column. They are located between the vertebrae of the spine and provide cushioning and flexibility to the vertebral column. These disks are composed of a tough outer layer called the annulus fibrosus and a gel-like inner core called the nucleus pulposus. The annulus fibrosus helps to distribute the forces exerted on the spine, while the nucleus pulposus absorbs shock and allows for movement and bending of the spine. Overall, intervertebral disks play a crucial role in maintaining the structural integrity and flexibility of the spinal column.Rate this question:
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