Question 1

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

Accepted Answer

Femur

Question 2

The vertebral column is composed of several regions. Which sequence correctly lists the regions from superior to inferior?

Accepted Answer

Cervical, Thoracic, Lumbar, Sacrum, Coccyx

Question 3

Which bone is considered the 'keystone' of the cranial floor because it articulates with all other cranial bones?

Accepted Answer

Sphenoid bone

Question 4

A patient presents with difficulty swallowing and pain in the anterior neck. Which bone, not directly articulated with any other bone, is most likely involved?

Accepted Answer

Hyoid bone

Question 5

Which of the following statements about intervertebral discs is CORRECT?

Accepted Answer

They are composed primarily of fibrocartilage.

Question 6

The 'yes' and 'no' motions of the head are made possible by which two cervical vertebrae?

Accepted Answer

Atlas (C1) and Axis (C2)

Question 7

Which of the following is a function of the thoracic cage?

Accepted Answer

Protects vital organs such as the heart and lungs

Question 8

A patient has a fracture in the bone that forms the posterior wall of the pelvis and articulates with the hip bones. Which bone is fractured?

Accepted Answer

Sacrum

Question 9

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

Accepted Answer

Mandible

Question 10

Which type of abnormal spinal curvature is described as an exaggerated posterior convexity of the thoracic region?

Accepted Answer

Kyphosis

Question 11

Which formula correctly represents the total number of vertebrae in the adult vertebral column, including fused vertebrae?

Accepted Answer

$$7 + 12 + 5 + 1 + 1 = 26$$

Question 12

Which of the following bones contributes to the formation of the orbit?

Accepted Answer

Ethmoid bone

Question 13

True ribs are defined as ribs that:

Accepted Answer

Attach directly to the sternum via their own costal cartilage

Question 14

Which of the following is a distinguishing feature of lumbar vertebrae compared to thoracic vertebrae?

Accepted Answer

Lumbar vertebrae have short, hatchet-shaped spinous processes

Question 15

Which bone forms the superior wall of the orbits and the anterior portion of the cranium?

Accepted Answer

Frontal bone

Question 16

A patient with a deviated nasal septum most likely has a problem with which bone?

Accepted Answer

Vomer

Question 17

Which of the following is NOT a function of the vertebral column?

Accepted Answer

Provides attachment for teeth

Question 18

Which of the following bones is found in the axial skeleton and forms the posterior part of the hard palate?

Accepted Answer

Palatine bone

Question 19

Which of the following formulas correctly calculates the total number of bones in the adult human skull?

Accepted Answer

$$8 + 14 = 22$$

Question 20

Which abnormal spinal curvature is characterized by a lateral deviation of the vertebral column?

Accepted Answer

Scoliosis

Axial Skeleton: Structure and Components

Study Guide - Practice Questions

Study Guide - Flashcards