Question 1

Which of the following best describes a fibrous joint?

Accepted Answer

Bones joined by dense fibrous connective tissue, most are immovable

Question 2

A football player suffers a shoulder dislocation after being tackled. Which structural feature of the shoulder joint most contributes to its vulnerability to dislocation?

Accepted Answer

Weak reinforcement of the joint anteriorly and inferiorly

Question 3

Which of the following is NOT a structural characteristic of synovial joints?

Accepted Answer

Bones joined by dense fibrous connective tissue with no cavity

Question 4

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

Accepted Answer

Ball-and-socket joint

Question 5

A patient presents with pain and swelling in the area where a tendon passes over a joint, and the physician diagnoses tendonitis. Which structure is most likely inflamed?

Accepted Answer

Tendon sheath

Question 6

Which of the following factors plays the most important role in stabilizing synovial joints and preventing dislocation?

Accepted Answer

Muscle tone that keeps tendons taut as they cross joints

Question 7

Which movement is described as turning the palm to face posteriorly by rotating the radius and ulna?

Accepted Answer

Pronation

Question 8

Which equation best represents the relationship between the number of ligaments ($$L) $$and joint stability ($$S$$), assuming all other factors are constant?

Accepted Answer

$$S \propto L$$

Question 9

Which type of synovial joint is found at the elbow and allows only flexion and extension?

Accepted Answer

Hinge joint

Question 10

A gymnast experiences a sprain in her ankle. What is the most likely anatomical change that occurred?

Accepted Answer

Stretching or tearing of reinforcing ligaments

Question 11

Which of the following movements is an example of angular movement at a synovial joint?

Accepted Answer

Flexion of the elbow

Question 12

Which joint classification is characterized by bones joined by cartilage and no joint cavity?

Accepted Answer

Cartilaginous joint

Question 13

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

Accepted Answer

Opposition

Question 14

Which of the following is a biaxial synovial joint?

Accepted Answer

Metacarpophalangeal (knuckle) joint

Question 15

Which clinical condition is characterized by inflammation of the bursa, often caused by friction or blow?

Accepted Answer

Bursitis

Question 16

Which of the following best describes the function of articular cartilage in synovial joints?

Accepted Answer

Prevents crushing of bone ends

Question 17

Which movement involves bending the foot toward the shin?

Accepted Answer

Dorsiflexion

Question 18

Which of the following is true regarding the synovial fluid found in synovial joints?

Accepted Answer

It is a viscous filtrate of plasma and hyaluronic acid

Question 19

A patient with rheumatoid arthritis is most likely experiencing which of the following?

Accepted Answer

Chronic inflammatory degeneration of synovial joints

Question 20

Which equation best represents the relationship between joint mobility ($$M) $$and joint stability ($$S) in $$synovial joints?

Accepted Answer

$$M \propto \frac{1}{S}$$

Chapter 8: Joints – Structure, Classification, and Clinical Implications

Study Guide - Practice Questions

Study Guide - Flashcards