Joints and Movement

Question 1

Which of these joints is not matched with the correct joint type?

a. parietal bone to occipital bone—suture
b. between the hipbones—symphysis
c. humerus and scapula—synovial
d. shafts of the radius and ulna—synchondrosis
e. teeth in alveolar process—gomphosis

Answer 1

shafts of the radius and ulna—synchondrosis

Question 2

Which type of joint is the most movable?

a. sutures
b. syndesmoses
c. symphyses
d. synovial
e. gomphoses

Answer 2

synovial

Question 3

The intervertebral disks are examples of

Answer 3

symphyses

Question 4

Joints containing hyaline cartilage are called _____ , and joints containing fibrocartilage are called _____.

Answer 4

synchondroses, symphyses

Question 5

The inability to produce the fluid that keeps most joints moist would likely be caused by a disorder of the

Answer 5

synovial membrane

Question 6

Assume that a sharp object penetrated a synovial joint. Given these structures:

(1) tendon or muscle
(2) ligament
(3) articular cartilage
(4) fibrous capsule (of joint capsule)
(5) skin
(6) synovial membrane (of joint capsule)

Choose the order in which they would most likely be penetrated.

Answer 6

5,1,2,4,6,3

Question 7

Which of these joints is correctly matched with the type of joint?

a. atlas to occipital condyle—pivot
b. tarsal bones to metatarsal bones—saddle
c. femur to hipbone—ellipsoid
d. tibia to talus—hinge
e. scapula to humerus—plane

Answer 7

tibia to talus—hinge

Question 8

When you grasp a doorknob, what movement of your forearm is necessary to unlatch the door—that is, to turn the knob in a clockwise direction? (Assume using the right hand.)

Answer 8

supination

Question 9

After the door is unlatched, what movement of the elbow is necessary to open it? (Assume the door opens in and you are on the inside.)

Answer 9

flexion

Question 10

After the door is unlatched, what movement of the shoulder is necessary to open it? (Assume the door opens in and you are on the inside.)

Answer 10

extension

Question 11

When grasping a doorknob, the thumb and finger undergo

Answer 11

opposition

Question 12

A runner notices that the lateral side of her right shoe is wearing much more than the lateral side of her left shoe. This could mean that her right foot undergoes more _____ than her left foot.

Answer 12

inversion

Question 13

For a ballet dancer to stand on her toes, her feet must

Answer 13

plantar flex

Question 14

A meniscus is found in the

Answer 14

knee joint

Question 15

A lip (labrum) of fibrocartilage deepens the joint cavity of the

Answer 15

shoulder joint

Question 16

What joints has a tendon inside the joint cavity?

Answer 16

shoulder joint

Question 17

Which of these structures help stabilize the shoulder joint?

a. rotator cuff muscles
b. cruciate ligaments
c. medial and lateral collateral ligaments
d. articular disks
e. All of these are correct.

Answer 17

rotator cuff muscles

Question 18

Bursitis of the subacromial bursa could result from

a. flexing the wrist.
b. kneeling.
c. overusing the shoulder joint.
d. running a long distance.
e. extending the elbow.

Answer 18

overusing the shoulder joint

Question 19

Which of these events does not occur with the aging of joints?

a. decrease in production of new cartilage matrix
b. decline in synovial fluid production
c. stretching of ligaments and tendons and increase in range of motion
d. weakening of muscles
e. increase in protein cross-linking in tissues

Answer 19

stretching of ligaments and tendons and increase in range of motion