Question 1

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

Accepted Answer

Femur

Question 2

How many vertebrae are found in the human vertebral column, and what is the correct breakdown by region?

Accepted Answer

$7$ cervical, $12$ thoracic, $5$ lumbar$ = 24$ vertebrae

Question 3

Which bone is unique in that it does not articulate directly with any other bone?

Accepted Answer

Hyoid bone

Question 4

A patient suffers a fracture to the thoracic region of the vertebral column. Which ribs are most likely to be affected?

Accepted Answer

Ribs 1-12

Question 5

Which of the following is a function of the cranium?

Accepted Answer

Provides attachment sites for head and neck muscles

Question 6

The skull is composed of how many cranial and facial bones, respectively?

Accepted Answer

$8$ cranial bones and $14$ facial bones

Question 7

Which of the following best describes the difference between the cranium and the skull?

Accepted Answer

The cranium excludes the facial bones, while the skull includes both cranial and facial bones.

Question 8

Which of the following bones is NOT part of the auditory ossicles?

Accepted Answer

Sphenoid

Question 9

A trauma patient has damage to the coccyx. Which function might be most affected?

Accepted Answer

Attachment for ligaments and muscles of the pelvic floor

Question 10

If a person has a congenital defect resulting in only 11 thoracic vertebrae, how many ribs would you expect them to have?

Accepted Answer

$22$ ribs

Question 11

Which bone forms the anterior portion of the thoracic cage and serves as a central attachment for the ribs?

Accepted Answer

Sternum

Question 12

Which of the following is the correct sequence of bones in the vertebral column from superior to inferior?

Accepted Answer

Cervical, thoracic, lumbar, sacrum, coccyx

Question 13

Which of the following is a correct function of the axial skeleton?

Accepted Answer

Protects vital organs such as the brain, heart, and lungs

Question 14

A patient presents with difficulty swallowing and speaking after a neck injury. Which bone is most likely involved?

Accepted Answer

Hyoid bone

Question 15

Which of the following statements about the sacrum is correct?

Accepted Answer

It is formed by the fusion of five vertebrae

Question 16

Which bone is NOT part of the cranium?

Accepted Answer

Mandible

Question 17

Which of the following best describes the function of the facial bones?

Accepted Answer

Form the framework of the face and provide cavities for the sense organs

Question 18

Which of the following is true regarding the auditory ossicles?

Accepted Answer

They transmit sound vibrations from the tympanic membrane to the oval window

Question 19

If a patient has a fracture in the lumbar region, which vertebrae are most likely affected?

Accepted Answer

$L_1$ to $L_5$

Question 20

Which of the following bones is found in the axial skeleton but NOT in the appendicular skeleton?

Accepted Answer

Sternum

The Axial Skeleton: Structure and Components

Study Guide - Practice Questions