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

Which accessory structure of a synovial joint is primarily responsible for reducing friction between moving parts?

Accepted Answer

Bursa

Question 3

A patient presents with limited movement in the symphysis pubis. Which type of joint is affected?

Accepted Answer

Cartilaginous joint

Question 4

Which equation best represents the relationship between joint stability ($$S) $$and range of motion ($$R) in $$synovial joints?

Accepted Answer

$$S = \dfrac{1}{R}$$

Question 5

The knee joint is stabilized by several ligaments. Which of the following is NOT one of the major stabilizing ligaments of the knee?

Accepted Answer

Glenohumeral ligament

Question 6

Which joint type allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 7

A football player suffers a tear in the acetabular labrum. Which joint is affected and what is the primary function of the labrum?

Accepted Answer

Hip joint; deepens the socket for stability

Question 8

Which movement is described as moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 9

Which of the following best explains why osteoarthritis rates are higher in females than males?

Accepted Answer

Females experience greater hormonal changes affecting joint cartilage

Question 10

Which joint is classified as a pivot joint and allows for rotational movement only?

Accepted Answer

Atlanto-axial joint

Question 11

A patient is unable to perform plantar flexion. Which joint and movement are most likely affected?

Accepted Answer

Ankle joint; pointing toes downward

Question 12

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

Accepted Answer

Synovial membrane

Question 13

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

Accepted Answer

Ball-and-socket joint – hip

Question 14

Which equation best describes the total number of major ligaments ($$L) $$stabilizing the knee joint, given the following: patellar ligaments ($$P=1$$), popliteal ligaments ($$Po=2$$), cruciate ligaments ($$C=2$$), collateral ligaments ($$Co=2$$)?

Accepted Answer

$$L = P + Po + C + Co$$

Question 15

Which joint is most likely to be affected in a patient with a torn rotator cuff?

Accepted Answer

Shoulder joint (glenohumeral)

Question 16

Which of the following movements is unique to the thumb due to its saddle joint?

Accepted Answer

Opposition

Question 17

A patient with damage to the meniscus in the knee would most likely experience which of the following?

Accepted Answer

Decreased shock absorption and joint stability

Question 18

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

Accepted Answer

Provides a smooth surface for movement and reduces friction

Question 19

Which joint is classified as a gliding joint and allows for slight non-axial movements?

Accepted Answer

Intercarpal joint

Question 20

Which of the following is a correct description of circumduction?

Accepted Answer

Moving a limb in a circular motion that combines flexion, extension, abduction, and adduction

Anatomy & Physiology: The Skeletal System – Joints

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