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Exam 8: Joints of the Skeletal System

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Question 51

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A tooth root attached to a jawbone by a periodontal ligament is a ________.

A) synchondrosis
B) syndesmosis
C) gomphosis
D) synovial joint

E) A) and B)
F) A) and C)

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Question 52

Multiple Choice

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Suppose all synarthrotic joints were fused in an individual. Which of the following would be true of this individual?

A) The person would not be able to flex their fingers and grasp objects.
B) Braces would not work to straighten the person's teeth because their teeth would not move.
C) The person would not be able to bend forward because their vertebral column would be fused.
D) Head-turning would be impossible because the atlas and axis would be fused.

E) A) and D)
F) A) and B)

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Question 53

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The hamate and capitate are two adjacent carpal bones. They articulate with each other at completely flat edges that allow sliding motions when needed. The joint between the hamate and capitate is a ________ joint.

During bone development, an endochondral bone starts off as bands of hyaline cartilage between the two ends of the bone. Before ossification, this banded mass of hyaline cartilage is a type of joint called a(n)________. 

A joint with articulating surfaces that are nearly flat is a ________ joint.

A suture is an example of a

Most joints of the skeletal system are ________.

The ________ ligaments in the knee joint help prevent displacement of the articulating surfaces.

Disuse of the joints ________, which hastens stiffening.

A muscle end attached to a less movable or relatively fixed part is called the

The TMJ (temporomandibular joint)is composed of the convex upper condyle of the mandible, which fits into a concave surface of the temporal bone. The joint allows the mandible to swing uniaxially, producing the up-and-down motion of chewing. The TMJ is classified as a ________ joint.

The intermediate radioulnar joint exists between the radius and the ulna. The two bones are joined together by a high-collagen sheet of dense connective tissue. This joint allows slight movements and flexibility between the two bones. What specific type of joint is this?

Thrusting the head forward to contact an incoming soccer ball is an example of ________.

A ball-and-socket joint is also called an ellipsoidal joint.

Which of the following is not a synovial joint?

The movement of a limb around an axis is ________.

Joints are also called

The hip joint has less freedom of movement than the shoulder joint because

Closed, fluid-filled sacs that function as cushions are called bursae.

You drop your cell phone. You lean forward to pick it up, using your abdominal muscles to pull your torso closer to the ground. This movement is extension of the back.