Question 1

Which of the following best describes the relationship between joint mobility and joint strength?

Accepted Answer

The more mobile a joint is, the weaker it becomes.

Question 2

A patient presents with pain and swelling in the metatarsal–phalangeal joint of the great toe. Crystals of uric acid are found in the synovial fluid. What is the most likely diagnosis?

Accepted Answer

Gouty arthritis

Question 3

Which of the following movements describes moving the arm in a complete circle, such as when drawing a large circle on a whiteboard?

Accepted Answer

Circumduction

Question 4

Which structure is responsible for reducing friction and acting as a shock absorber where a tendon or ligament rubs against other tissues?

Accepted Answer

Bursa

Question 5

A ligament is stretched and some collagen fibers are torn, but the joint is not damaged. What is this injury called?

Accepted Answer

Sprain

Question 6

Which of the following is NOT a function of synovial fluid?

Accepted Answer

Oxygen transport to muscle fibers

Question 7

Which type of joint is characterized by being immovable and can be fibrous or cartilaginous?

Accepted Answer

Synarthrosis

Question 8

Which movement describes turning the sole of the foot inward, elevating the medial edge?

Accepted Answer

Inversion

Question 9

A patient is unable to move their thumb to touch the tips of their other fingers. Which movement is impaired?

Accepted Answer

Opposition

Question 10

Which of the following best explains why a torn ligament heals more slowly than a broken bone?

Accepted Answer

Ligaments have a poor blood supply and rely on diffusion for nutrients.

Question 11

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

Accepted Answer

Gomphosis – tooth in alveolus

Question 12

Which of the following movements increases the angle between articulating bones in the sagittal plane?

Accepted Answer

Extension

Question 13

Which accessory structure of a synovial joint is a crescent-shaped pad of fibrocartilage that may subdivide a synovial cavity?

Accepted Answer

Meniscus

Question 14

Which of the following is a special movement that describes moving a body part anteriorly in the horizontal plane, such as jutting the chin forward?

Accepted Answer

Protraction

Question 15

Which of the following is TRUE regarding osteoarthritis?

Accepted Answer

It involves degeneration of articular cartilage due to wear and tear or genetic factors.

Question 16

Which of the following best describes the movement of the forearm when turning the palm from facing anteriorly to facing posteriorly?

Accepted Answer

Pronation

Question 17

Which of the following factors does NOT contribute to the stabilization of synovial joints?

Accepted Answer

Increased synovial fluid viscosity at rest

Question 18

A patient is unable to return their thumb and fingers from a grasping position to the anatomical position. Which movement is impaired?

Accepted Answer

Reposition

Question 19

Which of the following is a correct description of an amphiarthrosis?

Accepted Answer

A slightly movable joint, either fibrous or cartilaginous

Question 20

Which of the following is a likely consequence of prolonged joint immobilization?

Accepted Answer

Degeneration of articular cartilage due to lack of fluid circulation

Ch 9: Joints: Structure, Function, and Movement

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