Learn About The Skeletal System

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| By Nenegto04
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Nenegto04
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Quizzes Created: 21 | Total Attempts: 54,654
| Attempts: 535 | Questions: 23
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1. At which joint do the scapula and humerus meet?

Explanation

The scapula and humerus meet at the shoulder joint. The shoulder joint is a ball-and-socket joint that allows for a wide range of motion in the arm. It is formed by the articulation of the head of the humerus with the glenoid cavity of the scapula. This joint is responsible for movements such as flexion, extension, abduction, adduction, and rotation of the arm. The hip joint, wrist joint, and elbow joint are not correct answers as they are different joints where the scapula and humerus do not meet.

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Skeletal System Quizzes & Trivia

Take this quiz and learn all about the bones of the human skeleton, as well as ligaments. Let's start it now, all the best!

2. At which joint do the femur and coxal bone meet?

Explanation

The femur and coxal bone meet at the hip joint. This joint is a ball-and-socket joint, allowing for a wide range of motion in the hip area. The femur, or thigh bone, fits into the socket of the coxal bone, which is part of the pelvis. The hip joint is responsible for connecting the lower body to the upper body and plays a crucial role in walking, running, and other movements involving the legs.

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3. What is the name of the "soft spots" in a baby's skull?

Explanation

Fontanelles, also known as "soft spots," are the gaps between the bones in a baby's skull. These areas are covered by a tough membrane and allow for the growth and expansion of the skull as the baby's brain develops. Fontanelles are important for the delivery process, as they allow the skull to compress and pass through the birth canal. Over time, these soft spots gradually close as the bones of the skull fuse together.

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4. Which group is incorrect?

Explanation

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5. Which group is incorrect?

Explanation

The group that is incorrect is "long bones: humerus, tibia, femur, parietal". The humerus, tibia, and femur are indeed long bones, but the parietal bone is a flat bone, not a long bone.

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6. Which structure includes the calcaneus?

Explanation

The structure that includes the calcaneus is the heel. The calcaneus is the largest bone in the foot and forms the heel bone. It is located at the back of the foot, just below the ankle joint.

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7. Which bone structure is most concerned with hematopoiesis?

Explanation

The bone marrow is the correct answer because it is the site where hematopoiesis, the process of blood cell formation, occurs. Hematopoiesis involves the production of red blood cells, white blood cells, and platelets, which are essential for the functioning of the immune system and blood clotting. The bone marrow contains stem cells that differentiate into these blood cells, making it the primary location for hematopoiesis in the body.

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8. What is the term that refers to the replacement of cartilage by bone?

Explanation

Ossification is the term that refers to the replacement of cartilage by bone. This process occurs during bone development and growth, where cartilage is gradually replaced by bone tissue. Ossification is essential for the formation and strengthening of the skeletal system. Osteoporosis refers to the loss of bone density, while osteomalacia is the softening of bones. Diarthrosis is a term used to describe a type of joint in the body.

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9. What is the outer lining of connective tissue that surrounds the diaphysis of a long bone and contains the blood vessels that supply the bone?

Explanation

The periosteum is the outer lining of connective tissue that surrounds the diaphysis of a long bone. It contains the blood vessels that supply the bone, providing essential nutrients and oxygen for bone growth and repair. The periosteum also plays a role in bone formation and repair by providing a surface for the attachment of tendons and ligaments. It acts as a protective layer for the bone and helps in the healing process of fractures and other bone injuries.

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10. Injury to the epiphyseal disc may

Explanation

Injury to the epiphyseal disc may stunt the growth of the injured leg because the epiphyseal disc is responsible for bone growth in length. If the disc is injured, it can disrupt the normal process of bone growth, leading to a shorter or stunted leg.

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11. Which of the following is true of ilium, ischium, and pubis?

Explanation

The ilium, ischium, and pubis are three separate bones that come together to form the coxal bone, also known as the hip bone. These three bones are located in the pelvic region and are part of the appendicular skeleton, which includes the bones of the limbs and the girdles that attach them to the axial skeleton. They are not processes located in the femur, nor are they muscles that attach to the femur. Instead, they are distinct bones that join together to form the coxal bone.

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12. Which of the following is true of synovial or diarthrotic joints

Explanation

Synovial or diarthrotic joints are characterized by their ability to be freely movable. Unlike sutures, which are immovable joints found in the skull, synovial joints allow for a wide range of motion. These joints can be found throughout the body, not just in the lower extremities or within specific areas like the vertebral column and the symphysis pubis. Therefore, the statement "they are freely movable" accurately describes synovial or diarthrotic joints.

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13. Which group is incorrect?

Explanation

The group "types of movement: flexion, pronation, abduction, ossification" is incorrect because ossification is not a type of movement. Ossification refers to the process of bone formation, whereas the other terms in the group refer to specific movements of joints.

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14. Which of the following best describes the flexion of the finger?

Explanation

The flexion of the finger refers to the bending movement that occurs at the joint between the bones of the finger. This movement is best described as a hinge joint, as it allows the finger to bend and straighten in a manner similar to the opening and closing of a door on its hinges. The hinge joint provides stability and allows for a wide range of motion in the finger, making it the most suitable description for the flexion of the finger.

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15. Which group is incorrect?

Explanation

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16. Which of the following is true at acetabulum?

Explanation

The acetabulum is a socket-like structure located in the pelvis. It is responsible for receiving and holding the head of the femur, forming the hip joint. The other options mentioned in the question are incorrect. The iliac crest is a ridge on the top of the hip bone, not a part of the acetabulum. The acetabulum is not located anterior to the symphysis pubis, but rather posterior to it. Lastly, the acetabulum is not a depression of the scapula, but rather a part of the pelvis.

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17. Which of the following refers to an exaggerated thoracic curvature of the spine (hunchback)?

Explanation

Kyphosis refers to an exaggerated thoracic curvature of the spine, commonly known as hunchback. This condition causes the upper back to appear rounded and can lead to a stooped posture. Kyphosis can be caused by various factors, including poor posture, osteoporosis, spinal fractures, or certain medical conditions. Treatment options depend on the severity and underlying cause of kyphosis and may include physical therapy, bracing, pain management, or in severe cases, surgery.

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18. The greater and lesser trochanters are located on this bone

Explanation

The greater and lesser trochanters are bony projections located on the femur bone. The femur is the longest and strongest bone in the human body, and it forms the upper part of the leg. The trochanters serve as attachment points for muscles and ligaments, providing stability and facilitating movement at the hip joint. The tibia and fibula are bones in the lower leg, while the coccyx is a small bone at the base of the spine.

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19. The olecranon process is most associated with this joint

Explanation

The olecranon process is a bony prominence located at the upper end of the ulna bone in the forearm. It forms the bony tip of the elbow and serves as an attachment point for muscles and ligaments. Therefore, the olecranon process is most associated with the elbow joint.

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20. Which group is incorrect?

Explanation

The group "bones of the vertebral column: atlas, axis, coxal bone" is incorrect. The atlas and axis are actually the first two vertebrae in the neck, while the coxal bone is part of the pelvic girdle. The correct group should include the vertebrae of the vertebral column, such as cervical, thoracic, lumbar, and sacral bones.

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21. What is the large foramen in the coxal bone?

Explanation

The obturator foramen is the large opening in the coxal bone. It is located in the inferior part of the bone, between the pubis and ischium. This foramen allows for the passage of blood vessels, nerves, and the obturator nerve. It is an important anatomical feature of the coxal bone that contributes to the overall structure and function of the pelvis.

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22. What is the classification of the intervertebral discs and the symphysis pubis?

Explanation

The intervertebral discs and the symphysis pubis are classified as synovial joints. Synovial joints are characterized by the presence of a synovial fluid-filled cavity between the articulating surfaces, allowing for a wide range of movement. These joints are found in the limbs and allow for movements such as flexion, extension, rotation, and abduction. The intervertebral discs are located between the vertebrae, while the symphysis pubis is the joint between the two pubic bones in the pelvis. Both of these joints exhibit the characteristics of synovial joints, making synovial the correct classification.

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23. What is the type of projection that articulates with the glenoid cavity?

Explanation

The type of projection that articulates with the glenoid cavity is the crest. The glenoid cavity is a shallow depression in the scapula bone of the shoulder, and the crest is a ridge-like projection on a bone. The crest of the scapula articulates with the glenoid cavity, allowing for movement and stability in the shoulder joint.

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At which joint do the scapula and humerus meet?
At which joint do the femur and coxal bone meet?
What is the name of the "soft spots" in a baby's skull?
Which group is incorrect?
Which group is incorrect?
Which structure includes the calcaneus?
Which bone structure is most concerned with hematopoiesis?
What is the term that refers to the replacement of cartilage by bone?
What is the outer lining of connective tissue that surrounds the...
Injury to the epiphyseal disc may
Which of the following is true of ilium, ischium, and pubis?
Which of the following is true of synovial or diarthrotic joints
Which group is incorrect?
Which of the following best describes the flexion of the finger?
Which group is incorrect?
Which of the following is true at acetabulum?
Which of the following refers to an exaggerated thoracic curvature of...
The greater and lesser trochanters are located on this bone
The olecranon process is most associated with this joint
Which group is incorrect?
What is the large foramen in the coxal bone?
What is the classification of the intervertebral discs and the...
What is the type of projection that articulates with the glenoid...
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