$$Torque = Force \times Lever\ Arm$$

Question 1

Which of the following best describes the primary function of red bone marrow in adults?

Accepted Answer

Production of blood cells (hematopoiesis)

Question 2

A patient presents with a fracture at the epiphyseal plate of a long bone. Which type of joint is primarily affected?

Accepted Answer

Primary cartilaginous joint (synchondrosis)

Question 3

Which of the following equations correctly represents the relationship between force, lever arm, and torque in bone movement?

Accepted Answer

$$Torque = Force 	imes Lever\ Arm$$

Question 4

Which type of cartilage is most likely to be found in the intervertebral discs, and what is its primary function?

Accepted Answer

Fibrocartilage; acts as a shock absorber

Question 5

A dentist is examining the attachment of a tooth to its socket. Which type of joint is being observed?

Accepted Answer

Gomphosis

Question 6

Which of the following best explains why the shoulder joint is more prone to dislocation than the hip joint?

Accepted Answer

The articular surfaces of the shoulder joint are less congruent, providing less stability

Question 7

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

Accepted Answer

Rotation

Question 8

A patient with osteoarthritis has degeneration of the articular cartilage in the knee. Which type of cartilage is affected?

Accepted Answer

Hyaline cartilage

Question 9

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

Accepted Answer

Saddle joint – carpometacarpal joint of the thumb

Question 10

Which of the following statements about synovial fluid is correct?

Accepted Answer

It acts as a shock absorber and nourishes the cartilage

Question 11

A 25-year-old athlete suffers a tear in the interosseous membrane between the radius and ulna. Which type of joint is affected?

Accepted Answer

Syndesmosis

Question 12

Which of the following best describes the movement allowed by a plane synovial joint?

Accepted Answer

Sliding or gliding movements

Question 13

Which of the following is a function of the periosteum?

Accepted Answer

Attachment site for tendons and ligaments

Question 14

Which of the following best explains Hilton’s law?

Accepted Answer

A nerve supplying a joint also supplies the muscles moving the joint and the skin overlying the insertions of these muscles

Question 15

Which of the following is NOT a function of bone?

Accepted Answer

Synthesis of hormones

Question 16

Which of the following joints is classified as a secondary cartilaginous joint?

Accepted Answer

Pubic symphysis

Question 17

A patient is unable to abduct their arm at the shoulder. Which type of synovial joint is most likely affected?

Accepted Answer

Ball and socket joint

Question 18

Which of the following best describes the composition of the articular capsule in a synovial joint?

Accepted Answer

Two layers: outer fibrous capsule and inner synovial membrane

Question 19

Which of the following is a distinguishing feature of a condyloid (ellipsoid) joint?

Accepted Answer

Allows flexion, extension, abduction, adduction, and circumduction but not rotation

Question 20

Which of the following best explains the role of fibrocartilage in a symphysis joint?

Accepted Answer

Acts as a resilient shock absorber and allows slight movement

The Skeletal System: Bones, Cartilage, and Joints

Study Guide - Practice Questions