Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

An immovable joint, such as a suture in the skull

Question 2

A patient presents with pain and swelling in the knee after a twisting injury. Imaging reveals a tear in the meniscus. What type of tissue is primarily damaged?

Accepted Answer

Fibrocartilage

Question 3

Which of the following is a distinguishing feature of synovial joints?

Accepted Answer

Presence of a joint cavity filled with synovial fluid

Question 4

A syndesmosis is best described as:

Accepted Answer

A joint where bones are connected by a sheet of fibrous tissue or interosseous membrane

Question 5

Which of the following movements is an example of abduction?

Accepted Answer

Moving the arm away from the midline of the body

Question 6

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

Accepted Answer

They act as ball bearings to reduce friction between moving structures

Question 7

A football player suffers a shoulder injury. The head of the humerus is forced out of the glenoid cavity but returns to its normal position after a few minutes. What is the best term for this injury?

Accepted Answer

Subluxation

Question 8

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

Accepted Answer

Amount of synovial fluid produced

Question 9

Which type of synovial joint allows movement in three planes and is found in the shoulder and hip?

Accepted Answer

Ball-and-socket joint

Question 10

A patient is unable to rotate their forearm so that the palm faces upward. Which movement is impaired?

Accepted Answer

Supination

Question 11

Which of the following best describes the function of the articular capsule in a synovial joint?

Accepted Answer

It encloses the joint cavity and is composed of an outer fibrous layer and an inner synovial membrane

Question 12

Which of the following equations correctly represents the relationship between the number of axes of movement ($$n) $$and the number of planes a synovial joint can move in?

Accepted Answer

$$n = 1$$ for uniaxial, $$n = 2$$ for biaxial, $$n = 3$$ for multiaxial$

Question 13

A patient with rheumatoid arthritis experiences joint pain and swelling. Which of the following best explains the underlying cause?

Accepted Answer

Autoimmune attack on the synovial membrane

Question 14

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

Accepted Answer

Joint between the atlas and axis (C1 and C2 vertebrae)

Question 15

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

Accepted Answer

They connect bone to bone and help prevent excessive or undesirable movement

Question 16

A patient is diagnosed with a sprain. Which of the following best describes this injury?

Accepted Answer

A ligament is stretched or torn

Question 17

Which of the following best describes the movement of flexion at a hinge joint?

Accepted Answer

Decreasing the angle between two bones

Question 18

Which of the following is a correct example of a saddle joint?

Accepted Answer

Carpometacarpal joint of the thumb

Question 19

Which of the following best describes the function of synovial fluid?

Accepted Answer

It nourishes articular cartilage and reduces friction between joint surfaces

Question 20

A patient is unable to perform dorsiflexion at the ankle. Which movement is impaired?

Accepted Answer

Lifting the foot so that the superior surface approaches the shin

Joints: Structure, Classification, and Function in Human Anatomy

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