Question 1

Which of the following best describes the primary function of the axial skeleton?

Accepted Answer

Supports and protects the brain, spinal cord, and organs of the thoracic cavity

Question 2

How many bones are found in the appendicular skeleton of an adult human?

Accepted Answer

126

Question 3

Which bone is the only freely movable bone of the skull?

Accepted Answer

Mandible

Question 4

A newborn’s skull contains fontanelles. What is the primary function of these structures?

Accepted Answer

To allow for cranial growth and ease passage through the birth canal

Question 5

Which suture connects the frontal bone to the parietal bones?

Accepted Answer

Coronal suture

Question 6

Which of the following bones is NOT part of the axial skeleton?

Accepted Answer

Scapula

Question 7

The vertebral column is divided into regions. Which region contains the most vertebrae?

Accepted Answer

Thoracic

Question 8

Which bone forms the movable base for the tongue and does not articulate with any other bone?

Accepted Answer

Hyoid

Question 9

Which of the following is a function of the paranasal sinuses?

Accepted Answer

To lighten the skull and amplify sounds

Question 10

Which of the following statements about the female pelvis is correct?

Accepted Answer

The pelvic inlet is larger and more circular

Question 11

Which vertebral region develops a secondary curvature after birth, forming part of the S-shaped adult spine?

Accepted Answer

Cervical

Question 12

Which bone articulates with the glenoid cavity of the scapula?

Accepted Answer

Humerus

Question 13

Which ribs are classified as 'floating ribs'?

Accepted Answer

Rib pairs 11–12

Question 14

Which bone forms the lateral part of the ankle?

Accepted Answer

Fibula

Question 15

A patient presents with a fracture to the body of the vertebra. Which structure is most likely affected?

Accepted Answer

Centrum

Question 16

Which of the following bones is part of the pectoral girdle?

Accepted Answer

Clavicle

Question 17

Which bone is formed by the fusion of three to five vertebrae and is commonly referred to as the tailbone?

Accepted Answer

Coccyx

Question 18

Which of the following bones supports the upper teeth and forms most of the hard palate?

Accepted Answer

Maxillae

Question 19

Which bone articulates with the acetabulum of the coxal bone?

Accepted Answer

Femur

Question 20

A patient has a fracture in the region of the sagittal suture. Which bones are most likely affected?

Accepted Answer

Parietal bones

The Skeletal System: Structure and Organization

Study Guide - Practice Questions