$$2 \times 2 + 4 \times 1 = 8$$

Question 1

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

Accepted Answer

Femur

Question 2

The primary function of the cranial vault is to:

Accepted Answer

Protect the brain

Question 3

Which bone is considered the 'keystone' of the skull because it articulates with almost every other cranial bone?

Accepted Answer

Sphenoid bone

Question 4

A patient presents with an abnormal lateral curvature of the vertebral column. What is the most likely diagnosis?

Accepted Answer

Scoliosis

Question 5

Which of the following is TRUE regarding the mandible?

Accepted Answer

It is the only moveable bone of the skull.

Question 6

The vertebral column is divided into regions. Which region contains the greatest number of vertebrae?

Accepted Answer

Thoracic

Question 7

Which of the following best describes the function of intervertebral discs?

Accepted Answer

They provide padding and allow limited movement between vertebrae.

Question 8

A newborn is examined and found to have a persistent 'soft spot' on the skull. This area is known as the:

Accepted Answer

Fontanelle

Question 9

Which equation correctly represents the total number of bones in the adult human skeleton?

Accepted Answer

$$80 + 126 = 206$$

Question 10

A patient suffers a fracture at the pterion, the weakest part of the skull. Which bones are involved at this intersection?

Accepted Answer

Frontal, parietal, temporal, and sphenoid

Question 11

Which of the following ribs are classified as 'floating ribs'?

Accepted Answer

Ribs 11 and 12

Question 12

The sella turcica is a feature of which bone, and what does it house?

Accepted Answer

Sphenoid bone; pituitary gland

Question 13

Which of the following statements about the hyoid bone is correct?

Accepted Answer

It does not articulate with any other bone.

Question 14

A patient with osteoporosis is at increased risk for which vertebral abnormality?

Accepted Answer

Kyphosis

Question 15

Which of the following bones forms the posterior-inferior part of the nasal septum?

Accepted Answer

Vomer

Question 16

Which vertebra is known as the 'atlas' and what is its function?

Accepted Answer

C1; supports the skull and allows nodding motion

Question 17

Which of the following is a correct description of a suture in the skull?

Accepted Answer

A fibrous, synarthrotic joint that strongly unites adjacent bones

Question 18

Which bone marking allows passage of the spinal cord out of the skull?

Accepted Answer

Foramen magnum

Question 19

Which equation best represents the number of paired and unpaired bones in the cranial vault?

Accepted Answer

$$2 	imes 2 + 4 	imes 1 = 8$$

Question 20

Which of the following is a secondary curvature of the vertebral column that develops after birth?

Accepted Answer

Lumbar curvature

The Axial and Appendicular Skeleton: Structure and Function

Study Guide - Practice Questions