Question 1

Which of the following best describes the function of osteoclasts in bone tissue?

Accepted Answer

Osteoclasts are large multinucleated cells that break down bone matrix during remodeling.

Question 2

A patient presents with abnormally high blood calcium levels. Which hormone is most likely elevated, and what is its primary effect on bone?

Accepted Answer

Calcitonin; stimulates osteoblasts to deposit calcium in bone.

Question 3

Which of the following is a projection found on bones and serves as a site for muscle or ligament attachment?

Accepted Answer

Tubercle

Question 4

During childhood, which type of bone growth is responsible for the lengthening of long bones?

Accepted Answer

Interstitial growth at the epiphyseal plate

Question 5

Which of the following correctly matches the joint type with its movement capabilities?

Accepted Answer

Ball-and-socket joint: all planes (multiaxial)

Question 6

A fracture occurs at the diaphysis of the femur. Which part of the bone is affected?

Accepted Answer

The shaft composed of compact bone

Question 7

Which of the following is NOT a function of the skeletal system?

Accepted Answer

Production of digestive enzymes

Question 8

Which bone marking is most likely to contain blood vessels and nerves?

Accepted Answer

Foramen

Question 9

Which of the following correctly describes the difference between the axial and appendicular skeleton?

Accepted Answer

Axial skeleton supports and protects organs; appendicular skeleton enables movement.

Question 10

Which of the following is a correct sequence of zones in the epiphyseal plate from epiphysis to diaphysis?

Accepted Answer

Resting, proliferation, hypertrophic, calcification, ossification

Question 11

A patient has difficulty performing abduction and circumduction at the shoulder. Which joint is most likely affected?

Accepted Answer

Glenohumeral joint

Question 12

Which of the following bones is NOT a cranial bone?

Accepted Answer

Zygomatic

Question 13

Which vertebra allows for the 'no' head movement, and what is its unique feature?

Accepted Answer

Axis (C2); has dens (odontoid process)

Question 14

Which type of cartilage is most abundant and found in costal cartilage, trachea, and articular ends of long bones?

Accepted Answer

Hyaline cartilage

Question 15

Which of the following correctly matches the bone with its location in the limb?

Accepted Answer

Fibula: lateral bone of the leg

Question 16

Which of the following structures is a canal that allows communication and nutrient transfer between osteocytes?

Accepted Answer

Canaliculi

Question 17

A patient with osteoporosis is given a drug that inhibits osteoclast activity. What is the expected effect on bone density?

Accepted Answer

Bone density will increase due to decreased bone breakdown.

Question 18

Which joint type allows movement in two planes and is found in the wrist?

Accepted Answer

Condylar joint

Question 19

Which of the following best describes appositional growth in bone?

Accepted Answer

Growth in width by new bone added to the surface

Question 20

Which of the following is a structural classification of joints that contains a cavity and capsule?

Accepted Answer

Synovial joint

Skeletal System: Structure, Function, and Anatomy Study Notes

Study Guide - Practice Questions