Question 1

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

Accepted Answer

Production of hormones

Question 2

Compact bone differs from spongy bone in which of the following ways?

Accepted Answer

Compact bone contains osteons arranged in concentric lamellae, while spongy bone contains trabeculae.

Question 3

Which of the following is NOT one of the four main classifications of bone according to shape?

Accepted Answer

Round bone

Question 4

The diaphysis of a long bone is primarily composed of which type of bone tissue?

Accepted Answer

Compact bone

Question 5

Which microscopic structure is characteristic of compact bone?

Accepted Answer

Osteon (Haversian system)

Question 6

A foramen is best described as:

Accepted Answer

A round or oval opening through a bone

Question 7

Which cell type is responsible for bone resorption during remodeling?

Accepted Answer

Osteoclast

Question 8

The epiphyseal plate is significant in bone growth because it:

Accepted Answer

Allows for longitudinal growth of long bones during childhood and adolescence

Question 9

Appositional growth of bone results in:

Accepted Answer

An increase in bone diameter and strength

Question 10

In the homeostatic regulation of blood calcium, which organ acts as the effector?

Accepted Answer

Bone tissue

Question 11

If blood calcium levels drop below normal, which hormone is released and what is its effect?

Accepted Answer

Parathyroid hormone; stimulates osteoclasts to release calcium from bone

Question 12

Which of the following bones is part of the axial skeleton?

Accepted Answer

Vertebra

Question 13

The hyoid bone is unique because it:

Accepted Answer

Does not articulate directly with any other bone

Question 14

Which part of the vertebral column is responsible for supporting the weight of the upper body?

Accepted Answer

Lumbar vertebrae

Question 15

The sternum consists of which three major parts?

Accepted Answer

Manubrium, body, xiphoid process

Question 16

Which bone is NOT part of the shoulder girdle?

Accepted Answer

Humerus

Question 17

Which of the following is a function of the pelvic girdle?

Accepted Answer

Supports the weight of the upper body when sitting and standing

Question 18

Which joint type allows the greatest range of movement?

Accepted Answer

Ball-and-socket joint

Question 19

Which of the following is an example of a synovial joint?

Accepted Answer

Shoulder joint

Question 20

During aging, which change commonly occurs in the skeletal system?

Accepted Answer

Decrease in bone mass and density

Comprehensive Study Guide: The Skeletal System in Anatomy & Physiology

Study Guide - Practice Questions