Question 1

Which bone forms the posterior and inferior surfaces of the cranium and contains the foramen magnum?

Accepted Answer

Occipital bone

Question 2

The articulation between the occiput and atlas allows for which type of head movement?

Accepted Answer

"Yes" movement (nodding)

Question 3

Which feature of the sphenoid bone houses the pituitary gland?

Accepted Answer

Hypophyseal fossa

Question 4

What is the primary function of the sinuses in the skull?

Accepted Answer

To lighten the weight of the skull and produce mucus

Question 5

Which bone forms the superior portion of the eye sockets and contains the supra-orbital foramen?

Accepted Answer

Frontal bone

Question 6

The vertebral column consists of 24 vertebrae, a sacrum, and a coccyx. Which equation represents the total number of vertebrae before fusion?

Accepted Answer

$$24 + 5 + 4 = 33$$

Question 7

Which of the following is NOT a function of the axial skeleton?

Accepted Answer

Producing red blood cells

Question 8

Which bone is unique in that it does not articulate with any other bone and supports the larynx?

Accepted Answer

Hyoid bone

Question 9

A patient presents with difficulty swallowing and tongue movement. Which bone and its features are most likely involved?

Accepted Answer

Hyoid bone and greater horns

Question 10

Which vertebra is characterized by the presence of the dens and allows for rotational movement of the head?

Accepted Answer

Axis (C2)

Question 11

Which equation best represents the number of true, false, and floating ribs in the human body?

Accepted Answer

$$7 + 3 + 2 = 12$$

Question 12

Which bone forms the lower jaw and contains the mandibular foramen?

Accepted Answer

Mandible

Question 13

Which feature of the occipital bone provides passage for the hypoglossal nerves?

Accepted Answer

Hypoglossal canal

Question 14

Which bone contains the cribriform plate and is involved in the sense of smell?

Accepted Answer

Ethmoid bone

Question 15

A trauma patient has a fracture at the sella turcica. Which gland is most likely affected?

Accepted Answer

Pituitary gland

Question 16

Which equation represents the total number of bones in the skull (cranial and facial)?

Accepted Answer

$$8 + 14 = 22$$

Question 17

Which bone forms the prominent bulge at the anterior tip of the sacral base?

Accepted Answer

Sacrum (sacral promontory)

Question 18

Which feature of the temporal bone is associated with muscle attachment and contains air cells?

Accepted Answer

Mastoid process

Question 19

Which bone forms the inferior portion of the nasal septum?

Accepted Answer

Vomer

Question 20

Which equation best represents the number of vertebrae in each region of the vertebral column?

Accepted Answer

The Axial Skeleton: Structure, Function, and Components

Study Guide - Practice Questions