$$\text{ROM} = \text{Soft tissue flexibility} + \text{Shape of condyles} + \text{Ligament elasticity}$$

Question 1

Which of the following joints is classified as a synarthrosis and is structurally a fibrous joint?

Accepted Answer

Suture joint of the skull

Question 2

A patient presents with a sprain in the ankle. Which of the following best describes what has occurred at the joint?

Accepted Answer

Ligaments at the joint have stretched and some collagen fibers are torn

Question 3

Which type of synovial joint allows for the widest range of motion, including flexion, extension, abduction, adduction, rotation, and circumduction?

Accepted Answer

Ball-and-socket joint

Question 4

The pubic symphysis is an example of which structural and functional joint classification?

Accepted Answer

Cartilaginous, amphiarthrosis

Question 5

Which movement is possible at the elbow joint, and what type of synovial joint is it?

Accepted Answer

Flexion/extension; hinge joint

Question 6

A dentist is examining the gomphosis joint. Which bones and structures are involved in this joint?

Accepted Answer

Tooth and alveolar socket of the jaw

Question 7

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

Accepted Answer

Reduces friction between bones

Question 8

A strong blow to the lateral side of the extended knee is most likely to cause which sequence of injuries?

Accepted Answer

Tearing of the tibial collateral ligament, damage to the medial meniscus, rupture of the anterior cruciate ligament

Question 9

Which joint is classified as a multiaxial synovial joint and allows for movement in three planes?

Accepted Answer

Hip joint

Question 10

Which of the following movements is NOT possible at a hinge joint?

Accepted Answer

Rotation

Question 11

The atlantoaxial joint between the dens of the axis (C2) and the anterior arch of the atlas (C1) is an example of which type of synovial joint?

Accepted Answer

Pivot joint

Question 12

Which of the following is TRUE regarding the structural classification of joints?

Accepted Answer

Fibrous joints include sutures, gomphosis, and syndesmosis

Question 13

Which joint type allows for opposition, a movement unique to the thumb?

Accepted Answer

Saddle joint

Question 14

A patient is unable to perform dorsiflexion at the ankle. Which joint is most likely affected?

Accepted Answer

Talocrural joint

Question 15

Which of the following best describes the structural and functional classification of the intervertebral disc joint?

Accepted Answer

Cartilaginous, amphiarthrosis

Question 16

Which equation best represents the relationship between range of motion (ROM) and the factors affecting movement at a joint?

Accepted Answer

$$	ext{ROM} = 	ext{Soft tissue flexibility} + 	ext{Shape of condyles} + 	ext{Ligament elasticity}$$

Question 17

Which of the following joints is classified as a plane (gliding) joint and allows for limited sliding movements?

Accepted Answer

Intercarpal joint

Question 18

During opening of the mouth, which movement occurs at the temporomandibular joint?

Accepted Answer

Mandibular condyle moves forward and hinges downward

Question 19

Which ligament supports the head of the radius at the proximal radioulnar joint, allowing for rotation of the forearm?

Accepted Answer

Annular ligament

Question 20

Which of the following is TRUE regarding synovial joints?

Accepted Answer

They are always diarthrotic

Joints: Structure, Classification, and Function in Human Anatomy

Study Guide - Practice Questions