Question 1

Which of the following best describes a synovial joint?

Accepted Answer

A joint enclosed in a capsule filled with synovial fluid, allowing free movement.

Question 2

Which type of fibrous joint is found only between bones of the skull?

Accepted Answer

Suture

Question 3

A patient presents with swelling and pain in the base of their big toe. Laboratory tests reveal elevated uric acid levels. What type of arthritis is most likely?

Accepted Answer

Gouty arthritis

Question 4

Which of the following movements describes moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 5

Which structure in a synovial joint improves the fit of bone ends, stabilizes the joint, and reduces wear and tear?

Accepted Answer

Meniscus (articular disc)

Question 6

A football player suffers a knee injury where the joint is forced out of alignment. What is the medical term for this condition?

Accepted Answer

Dislocation (luxation)

Question 7

Which of the following equations correctly represents the relationship between the number of joints ($$J$$), bones ($$B$$), and types of joints ($$T) in $$the human body, given that there are 230 joints and 3 main types?

Accepted Answer

$$J = 230$$

Question 8

Which of the following is NOT a feature of synovial joints?

Accepted Answer

Direct bone-to-bone fusion

Question 9

Which type of joint allows movement in two planes and is found at the base of the thumb?

Accepted Answer

Saddle joint

Question 10

A dentist is examining the connection between a tooth and its socket. What type of joint is this?

Accepted Answer

Gomphosis

Question 11

Which of the following best explains why sprains heal slowly?

Accepted Answer

Sprains involve damage to ligaments, which have poor vascularization.

Question 12

Which movement involves turning the palm so it faces upward?

Accepted Answer

Supination

Question 13

Which of the following is the most important factor influencing the stability of synovial joints?

Accepted Answer

Muscle tone

Question 14

A patient is diagnosed with rheumatoid arthritis. Which of the following best describes the underlying process?

Accepted Answer

Autoimmune inflammation of the synovial membrane leading to joint deformity.

Question 15

Which type of synovial joint allows rotation around a single axis, such as the joint between the atlas and axis vertebrae?

Accepted Answer

Pivot joint

Question 16

Which of the following movements is described as decreasing the angle between two bones at a joint?

Accepted Answer

Flexion

Question 17

Which joint is classified as a ball-and-socket joint and allows movement in all planes?

Accepted Answer

Shoulder joint

Question 18

A patient presents with joint pain following a tick bite. Which disease should be suspected?

Accepted Answer

Lyme disease

Question 19

Which equation best represents the calculation for the total number of possible joint movements ($$M) if $$each of the 6 types of synovial joints ($$S) $$allows $$n$$ distinct movements?

Accepted Answer

$$M = S 	imes n$$

Question 20

Which of the following is a cartilaginous joint that allows slight movement and is found between vertebrae?

Accepted Answer

Symphysis

Chapter 7: The Skeletal System – Structure and Function of Joints

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