Question 1

Which of the following best describes the function of synovial fluid within a synovial joint?

Accepted Answer

It acts as a shock absorber, nutrient distributor, and lubricant.

Question 2

A patient presents with a torn anterior cruciate ligament (ACL). Which joint is most likely affected?

Accepted Answer

Knee joint

Question 3

Which type of joint allows for the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 4

Which movement describes decreasing the angle between two articulating bones in the anterior-posterior plane?

Accepted Answer

Flexion

Question 5

A gymnast performs a split, moving her legs away from the midline of her body. Which movement is this?

Accepted Answer

Abduction

Question 6

Which structure is responsible for reinforcing and stabilizing the shoulder joint?

Accepted Answer

Rotator cuff

Question 7

Which of the following is a biaxial synovial joint?

Accepted Answer

Metacarpophalangeal joint

Question 8

What is the primary function of the menisci in the knee joint?

Accepted Answer

To act as shock absorbers and improve the fit between femur and tibia

Question 9

Which ligament prevents hyperextension of the vertebral column?

Accepted Answer

Anterior longitudinal ligament

Question 10

A person stands on their toes to reach a high shelf. Which movement at the ankle joint is being performed?

Accepted Answer

Plantar flexion

Question 11

Which of the following best describes a gomphosis?

Accepted Answer

A synarthrosis where a tooth is anchored into its socket by periodontal ligaments

Question 12

Which movement is unique to the thumb and allows humans to grasp objects?

Accepted Answer

Opposition

Question 13

Which of the following is NOT a function of bursae in synovial joints?

Accepted Answer

To secrete hormones for bone growth

Question 14

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

Accepted Answer

Supination

Question 15

Which of the following best describes the movement of circumduction?

Accepted Answer

A conical movement that combines flexion, extension, abduction, and adduction

Question 16

Which joint type is found between the atlas and axis vertebrae, allowing for rotation of the head?

Accepted Answer

Pivot joint

Question 17

Which of the following structures is composed of fibrocartilage and helps deepen the socket of the hip joint?

Accepted Answer

Acetabular labrum

Question 18

Which of the following best describes the function of the annular ligament in the elbow joint?

Accepted Answer

It binds the head of the radius to the ulna, allowing for pronation and supination.

Question 19

Which of the following is an example of a synarthrosis?

Accepted Answer

Suture between cranial bones

Question 20

A football player suffers a lateral blow to the knee, damaging the medial collateral ligament. Which structure is most likely to be injured as well?

Accepted Answer

Medial meniscus

Articulations and Joint Types: Structure, Function, and Movement

Study Guide - Practice Questions