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 tissue type primarily composes the structural class of a suture joint?

Accepted Answer

Dense fibrous connective tissue

Question 3

A symphysis joint, such as the pubic symphysis, is best classified as:

Accepted Answer

A cartilaginous joint with slight movement

Question 4

Which of the following structures is responsible for producing synovial fluid in a synovial joint?

Accepted Answer

Synovial membrane

Question 5

A patient presents with limited ability to rotate their forearm so the palm faces upward. Which movement is impaired?

Accepted Answer

Supination

Question 6

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

Accepted Answer

Ball-and-socket joint

Question 7

If a person is performing a movement that decreases the angle between the forearm and upper arm, which type of movement is occurring?

Accepted Answer

Flexion

Question 8

Which of the following best explains why the knee joint is more prone to injury in contact sports?

Accepted Answer

The knee relies heavily on ligaments and muscles for stability

Question 9

Which ligament prevents excessive anterior movement of the tibia relative to the femur in the knee joint?

Accepted Answer

Anterior cruciate ligament

Question 10

A person is asked to make a circle with their hand at the wrist. Which movement is this?

Accepted Answer

Circumduction

Question 11

Which of the following equations correctly represents the relationship between the number of stabilizing ligaments ($$n) $$and joint stability ($$S$$), assuming all other factors are constant?

Accepted Answer

$$S \propto n$$

Question 12

Which joint type allows only gliding movements and is found between the carpal bones of the wrist?

Accepted Answer

Plane joint

Question 13

During a soccer game, a player hyperextends their knee. Which structure is most likely to be injured?

Accepted Answer

Anterior cruciate ligament

Question 14

Which of the following movements occurs when the sole of the foot is turned medially?

Accepted Answer

Inversion

Question 15

Which of the following is TRUE regarding articular cartilage in synovial joints?

Accepted Answer

It covers the ends of bones and reduces friction

Question 16

A saddle joint allows which types of movement?

Accepted Answer

Flexion, extension, abduction, and adduction

Question 17

Which of the following best describes the locking mechanism of the knee joint when standing?

Accepted Answer

Extension of the knee and tightening of ligaments

Question 18

Which movement is described as moving a body part posteriorly in the horizontal plane?

Accepted Answer

Retraction

Question 19

Which of the following is a biaxial synovial joint?

Accepted Answer

Saddle joint

Question 20

If a patient cannot abduct their arm at the shoulder, which joint type is most likely affected?

Accepted Answer

Ball-and-socket joint

Study Guide: Joints (Articulations) in Human Anatomy & Physiology

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