Question 1

Which of the following best describes the functional difference between hyaline cartilage and fibrocartilage in the adult skeleton?

Accepted Answer

Hyaline cartilage provides flexible support, while fibrocartilage resists compression and absorbs shock.

Question 2

A patient suffers a fracture in the shaft of the femur. Which region of the bone is affected?

Accepted Answer

Diaphysis

Question 3

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

Accepted Answer

Production of hormones

Question 4

Which bone cell type is primarily responsible for bone resorption during remodeling?

Accepted Answer

Osteoclasts

Question 5

A 65-year-old woman is diagnosed with osteoporosis. Which process is most likely impaired in her bones?

Accepted Answer

Bone deposition by osteoblasts

Question 6

Which equation correctly represents the relationship between calcium homeostasis and bone remodeling?

Accepted Answer

$$Ca^{2+}$$_{blood} = $$Ca^{2+}$$_{released\ from\ bone} - $$Ca^{2+}$$_{deposited\ in\ bone}$$

Question 7

Which structure is responsible for covering the outer surface of bones and contains osteogenic cells?

Accepted Answer

Periosteum

Question 8

A child is diagnosed with rickets. Which deficiency is most likely responsible for this disorder?

Accepted Answer

Vitamin D deficiency

Question 9

Which of the following best explains the difference between red and yellow bone marrow?

Accepted Answer

Red marrow is hematopoietic, while yellow marrow stores fat.

Question 10

During bone fracture repair, which step occurs first?

Accepted Answer

Formation of a hematoma

Question 11

Which hormone increases blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 12

A patient with Paget’s disease shows excessive and disorganized bone remodeling. Which cell type is most likely overactive?

Accepted Answer

Osteoclasts

Question 13

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

Accepted Answer

Bone forms by replacing hyaline cartilage.

Question 14

Which equation represents the calculation of bone density ($$D) $$given bone mass ($$M) $$and bone volume ($$V$$)?

Accepted Answer

$$D = \frac{M}{V}$$

Question 15

A patient presents with a greenstick fracture. Which population is this type of fracture most commonly seen in?

Accepted Answer

Children

Question 16

Which of the following is a major difference between compact bone and spongy bone?

Accepted Answer

Compact bone contains osteons, while spongy bone contains trabeculae.

Question 17

Which of the following best describes the role of osteocytes in bone tissue?

Accepted Answer

Maintain bone matrix and communicate mechanical stress

Question 18

A patient with osteomalacia has bones that are soft and weak. Which process is most likely defective?

Accepted Answer

Mineralization of bone matrix

Question 19

Which of the following structures is NOT part of a long bone?

Accepted Answer

Suture

Question 20

Which of the following best explains why bone remodeling is necessary throughout life?

Accepted Answer

To adapt to mechanical stress and repair microdamage

Bones and Skeletal Tissues: Study Guide (Marieb 11th Edition, Chapter 6)

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