Question 1

Which of the following best describes a synovial joint?

Accepted Answer

Bones separated by a fluid-filled cavity and enclosed in an articular capsule

Question 2

A patient presents with a torn anterior cruciate ligament (ACL) and medial meniscus. Which type of joint is most likely affected?

Accepted Answer

Hinge joint

Question 3

Which of the following movements is possible at a condylar (ellipsoid) joint?

Accepted Answer

Flexion/extension and adduction/abduction

Question 4

Which structure is responsible for producing synovial fluid in a synovial joint?

Accepted Answer

Synovial membrane

Question 5

A football player suffers a dislocated shoulder. Which of the following best explains why the shoulder joint is prone to dislocation?

Accepted Answer

It is stabilized mainly by muscle tendons, and the articular surfaces provide little stability

Question 6

Which of the following is a correct pairing of joint type and example?

Accepted Answer

Gomphosis – tooth in alveolar socket

Question 7

Which of the following best describes the function of bursae in synovial joints?

Accepted Answer

They reduce friction between moving structures such as tendons and bones

Question 8

A gymnast experiences pain and swelling in the knee after landing a jump. Imaging reveals a torn meniscus. Why does this injury heal slowly?

Accepted Answer

Menisci are composed of fibrocartilage, which has poor blood supply

Question 9

Which of the following movements is unique to the thumb and allows humans to grasp objects?

Accepted Answer

Opposition

Question 10

Which of the following statements about ligaments is TRUE?

Accepted Answer

More ligaments generally increase joint stability

Question 11

Which of the following best describes the movement at the temporomandibular joint (TMJ) when opening the mouth widely?

Accepted Answer

Initial hinge movement followed by gliding of the condyle and disc

Question 12

Which of the following is NOT a factor that contributes to the stability of synovial joints?

Accepted Answer

Amount of synovial fluid produced

Question 13

A patient with a sprained ankle has partially torn ligaments. Why does this injury take a long time to heal?

Accepted Answer

Ligaments have a poor blood supply

Question 14

Which of the following joints allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 15

Which of the following is a correct description of a synchondrosis?

Accepted Answer

A joint where bones are united by hyaline cartilage

Question 16

Which of the following best explains why muscle tone is important for joint stability?

Accepted Answer

Muscle tone keeps tendons crossing joints taut, providing dynamic support

Question 17

Which of the following is an example of a biaxial joint?

Accepted Answer

Metacarpophalangeal (knuckle) joint

Question 18

Which of the following is a special movement that occurs at the mandible?

Accepted Answer

Protraction

Question 19

A dentist is examining the joint that allows the tooth to be anchored in the jaw. What type of joint is this?

Accepted Answer

Gomphosis

Question 20

Which of the following best describes the movement allowed by a pivot joint?

Accepted Answer

Rotation around a single axis

Chapter 8: Joints – Classification, Structure, and Function

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