Question 1

Which of the following best describes the process of endochondral ossification?

Accepted Answer

Bone forms by replacing hyaline cartilage, beginning in the second month of development.

Question 2

A 10-year-old child presents with bowed legs and deformities of the pelvis and rib cage. Laboratory tests reveal low serum calcium and vitamin D levels. Which bone disorder is most likely?

Accepted Answer

Rickets

Question 3

Which of the following bone markings is correctly matched with its function?

Accepted Answer

Condyle – helps to form joints

Question 4

A patient suffers a fracture in which the bone is crushed, commonly seen in osteoporotic bones. What type of fracture is this?

Accepted Answer

Compression

Question 5

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 6

Which of the following is a characteristic of synovial joints?

Accepted Answer

They have a fluid-filled joint cavity and are freely movable.

Question 7

A 55-year-old woman is diagnosed with osteoporosis. Which of the following treatments is LEAST likely to be recommended?

Accepted Answer

High-dose corticosteroids

Question 8

Which of the following best explains Wolff’s law?

Accepted Answer

Bone grows or remodels in response to the forces or demands placed upon it.

Question 9

Which of the following is TRUE regarding the microscopic structure of compact bone?

Accepted Answer

Canaliculi connect lacunae to each other and the central canal.

Question 10

A patient presents with joint pain, swelling, and stiffness. Laboratory tests reveal the presence of autoantibodies. Which joint pathology is most likely?

Accepted Answer

Rheumatoid arthritis

Question 11

Which of the following best describes the difference between appositional and interstitial growth of cartilage?

Accepted Answer

Appositional growth adds new matrix to the surface, while interstitial growth expands cartilage from within.

Question 12

Which of the following is a correct pairing of a synovial joint type and its movement?

Accepted Answer

Plane joint – nonaxial gliding movement

Question 13

Which of the following is a function of the inorganic component of bone matrix?

Accepted Answer

Provides hardness and resistance to compression

Question 14

A 25-year-old athlete suffers a knee injury. Imaging reveals a tear in the meniscus. Which type of cartilage is primarily affected?

Accepted Answer

Fibrocartilage

Question 15

Which of the following best describes the events of bone repair after a fracture?

Accepted Answer

Hematoma forms, followed by fibrocartilaginous callus, then bony callus, and finally bone remodeling.

Question 16

Which of the following is NOT a function of bone?

Accepted Answer

Synthesis of vitamin D

Question 17

Which of the following best describes the role of the periosteum?

Accepted Answer

It is a double-layered membrane that covers the external surface of bone and contains osteoblasts and osteoclasts.

Question 18

Which of the following movements is correctly matched with its definition?

Accepted Answer

Flexion – bending movement that decreases the angle of the joint

Question 19

Which of the following statements about osteomalacia is TRUE?

Accepted Answer

It results from inadequate mineralization of bone, often due to vitamin D deficiency.

Question 20

Which of the following best explains why the epiphyseal plate is important during childhood and adolescence?

Accepted Answer

It is the region where lengthwise growth of long bones occurs through endochondral ossification.

Bones, Skeletal Tissues, and Joints: ANP Study Guide

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