Question 1

Which of the following is NOT a primary function of bone tissue in the human body?

Accepted Answer

Production of digestive enzymes

Question 2

A patient suffers a fracture in the shaft of their femur. Which classification of bone does the femur belong to?

Accepted Answer

Long bone

Question 3

Which type of bone is found in the roof of the skull and the sternum?

Accepted Answer

Flat bone

Question 4

Which of the following best describes the structure and function of spongy bone?

Accepted Answer

Open network of struts and plates; allows for diffusion and makes bone lighter

Question 5

During bone repair after a fracture, which process occurs first?

Accepted Answer

Formation of a fracture hematoma

Question 6

Which of the following statements about osteoblasts is correct?

Accepted Answer

Osteoblasts build bone and become osteocytes once encased in lacuna

Question 7

A child is experiencing rapid growth in height. Which process is primarily responsible for the lengthening of long bones?

Accepted Answer

Endochondral ossification at the epiphyseal plate

Question 8

Which hormone increases the rate of growth at the epiphyseal plate by stimulating chondroblast and osteoblast activity?

Accepted Answer

Testosterone

Question 9

Which of the following best describes the periosteum?

Accepted Answer

It is a fibrous outer layer with an inner cellular layer containing osteoblasts

Question 10

Which structure is the functional unit of compact bone?

Accepted Answer

Osteon

Question 11

A patient with osteoporosis is likely to have increased activity of which cell type?

Accepted Answer

Osteoclasts

Question 12

Which of the following equations best represents the relationship between bone mass and mechanical stress?

Accepted Answer

$$\Delta M = k \cdot S$$

Question 13

Which process is responsible for the formation of flat bones such as the skull?

Accepted Answer

Intramembranous ossification

Question 14

Which of the following is TRUE regarding the epiphyseal plate?

Accepted Answer

It is a region of hyaline cartilage responsible for bone lengthening during growth

Question 15

Which of the following best explains why spongy bone is found in areas of lower stress?

Accepted Answer

Spongy bone is lighter and allows for easier movement and diffusion

Question 16

Which of the following is a correct sequence of events in endochondral ossification?

Accepted Answer

Chondrocytes enlarge, matrix calcifies, blood vessels invade, osteoblasts form

Question 17

Which of the following is a function of the endosteum?

Accepted Answer

Lines the medullary cavity and contains osteoblasts for bone growth and repair

Question 18

A patient is immobilized for several months due to paralysis. What effect would this have on their bone tissue?

Accepted Answer

Increased osteoclast activity and decreased bone mass

Question 19

Which of the following best describes the process of bone remodeling after a fracture?

Accepted Answer

Cartilage is replaced by bone, spongy bone is remodeled, and compact bone is restored

Question 20

Which of the following is TRUE about the lamellae in bone tissue?

Accepted Answer

Lamellae are concentric rings of bone matrix surrounding the central canal

Bones: Structure, Classification, and Physiology

Study Guide - Practice Questions