Q: Which of the following equations correctly represents the relationship between bone mass, deposition, and resorption?

$$\text{Bone Mass} = \text{Bone Deposition} - \text{Bone Resorption}$$

Question 1

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

Accepted Answer

Regulation of blood glucose levels

Question 2

A patient presents with a fracture in the diaphysis of the femur. Which type of bone tissue would be most affected?

Accepted Answer

Compact bone

Question 3

Which of the following bones is classified as a flat bone?

Accepted Answer

Sternum

Question 4

What is the main function of osteoclasts in bone tissue?

Accepted Answer

Resorbing bone matrix and releasing calcium

Question 5

Which hormone is released when blood calcium levels fall below 8.5 mg/dL, and what is its effect on bone?

Accepted Answer

Parathyroid hormone (PTH); increases osteoclast activity

Question 6

Which of the following best describes the structure and function of trabeculae?

Accepted Answer

Open network in spongy bone that reduces weight and contains marrow

Question 7

A child’s long bone is still growing in length. Which structure is responsible for this growth?

Accepted Answer

Epiphyseal plate

Question 8

Which of the following cell types is responsible for producing osteoid?

Accepted Answer

Osteoblast

Question 9

During bone remodeling, which process is responsible for the removal of old bone matrix?

Accepted Answer

Osteolysis

Question 10

Which of the following is a correct sequence of events in the repair of a bone fracture?

Accepted Answer

Fracture hematoma → Fibrocartilage callus formation → Bony callus formation → Bone remodeling

Question 11

Which of the following equations correctly represents the relationship between bone mass, deposition, and resorption?

Accepted Answer

$$	ext{Bone Mass} = 	ext{Bone Deposition} - 	ext{Bone Resorption}$$

Question 12

Which of the following is NOT a characteristic of compact bone?

Accepted Answer

Contains trabeculae

Question 13

A patient with osteoporosis is at increased risk for which of the following?

Accepted Answer

Vertebral fractures

Question 14

Which of the following best describes appositional growth in bones?

Accepted Answer

Increase in bone girth (diameter)

Question 15

Which of the following is a correct description of the medullary cavity in adult long bones?

Accepted Answer

Contains yellow marrow for fat storage

Question 16

Which of the following is NOT a plausible mechanism for decreasing blood calcium levels?

Accepted Answer

Increased osteoclast activity

Question 17

Which of the following statements about articular cartilage is TRUE?

Accepted Answer

It covers the epiphyses of long bones and reduces friction at joints.

Question 18

Which of the following best explains why bones are both strong and somewhat flexible?

Accepted Answer

They contain both collagen fibers and crystallized calcium salts.

Question 19

Which of the following is the correct formula for calculating the percentage of calcium stored in bones if the total body calcium is $$C_{total}$$ and the calcium in bones is $$C_{bone}$$?

Accepted Answer

$$\frac{C_{bone}}{C_{total}} 	imes 100\%$$

Question 20

Which of the following is a correct pairing of bone cell type and its primary function?

Accepted Answer

Osteocyte – maintenance of bone matrix

Study Guide: Bone Anatomy and Physiology (Skeletal System)

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