Question 1

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

Accepted Answer

Production of hormones

Question 2

A bone that is cube-shaped and primarily composed of spongy bone with an outer layer of compact bone is classified as which type?

Accepted Answer

Short bone

Question 3

Which subdivision of the skeleton includes the skull, vertebral column, and bony thorax?

Accepted Answer

Axial skeleton

Question 4

What is the main difference between compact bone and spongy bone?

Accepted Answer

Compact bone is dense and homogeneous, while spongy bone consists of small needlelike pieces and many open spaces.

Question 5

Which bone marking is a projection that serves as a site for muscle attachment and always begins with the letter 'T'?

Accepted Answer

Trochanter

Question 6

During bone growth, which structure is responsible for lengthwise growth in long bones?

Accepted Answer

Epiphyseal plate

Question 7

Which hormone is released when blood calcium levels are low, stimulating osteoclasts to break down bone matrix?

Accepted Answer

Parathyroid hormone (PTH)

Question 8

A patient presents with a break in the bone that does not penetrate the skin. What type of fracture is this?

Accepted Answer

Closed (simple) fracture

Question 9

Which process describes the formation of bone on hyaline cartilage models or fibrous membranes?

Accepted Answer

Ossification

Question 10

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

Accepted Answer

Hematoma formation, fibrocartilage callus formation, bony callus formation, bone remodeling

Question 11

Which of the following equations correctly represents the relationship between bone density ($$D$$), mass ($$m$$), and volume ($$V$$)?

Accepted Answer

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

Question 12

Which bone tissue is primarily responsible for resisting compression forces due to its calcium salt content?

Accepted Answer

Compact bone

Question 13

A 70-year-old woman presents with vertebral collapse and kyphosis. Which condition is most likely responsible?

Accepted Answer

Osteoporosis

Question 14

Which of the following best describes the microscopic structure of compact bone?

Accepted Answer

Osteons containing central (Haversian) canals surrounded by concentric lamellae

Question 15

Which bone marking is an indentation that serves as a passage for nerves and blood vessels and typically begins with 'F'?

Accepted Answer

Foramen

Question 16

During appositional growth, which cells add bone matrix to the outside of the diaphysis?

Accepted Answer

Osteoblasts

Question 17

Which of the following is a sesamoid bone formed within tendons?

Accepted Answer

Patella

Question 18

Which of the following statements about the periosteum is TRUE?

Accepted Answer

It is a fibrous connective tissue membrane covering the diaphysis.

Question 19

Which equation best represents the calculation of the rate of bone remodeling ($$R) if$$ $$C is $$the concentration of calcium ions and $$F is $$the force applied by muscles?

Accepted Answer

$$R = k 	imes C 	imes F$$

Question 20

Which developmental feature allows the fetal skull to be compressed during birth and to grow during infancy?

Accepted Answer

Fontanels

Study Notes: The Skeletal System (Essentials of Human Anatomy & Physiology, Chapter 5)

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