Question 1

Which bone forms the posterior base of the cranial cavity and contains the foramen magnum?

Accepted Answer

Occipital bone

Question 2

The sella turcica, which houses the pituitary gland, is a feature of which bone?

Accepted Answer

Sphenoid bone

Question 3

Which of the following is the only moveable bone of the adult skull?

Accepted Answer

Mandible

Question 4

A patient presents with an excessive posterior curvature of the thoracic region of the vertebral column. What is the most likely diagnosis?

Accepted Answer

Kyphosis

Question 5

Which vertebra is also known as the 'atlas' and supports the skull?

Accepted Answer

C1

Question 6

The transverse foramen is a distinguishing feature of which type of vertebra?

Accepted Answer

Cervical vertebrae

Question 7

Which suture joins the frontal bone to the right and left parietal bones?

Accepted Answer

Coronal suture

Question 8

Which bone forms the anterior three-quarters of the hard palate?

Accepted Answer

Maxilla

Question 9

A newborn’s skull contains large areas of dense connective tissue called fontanelles. What is the primary function of the anterior fontanelle?

Accepted Answer

Allows the skull to change shape during birth and for brain growth after birth

Question 10

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

Accepted Answer

Ribs 11–12

Question 11

The zygomatic arch is formed by the union of which two processes?

Accepted Answer

Temporal process of zygomatic bone and zygomatic process of temporal bone

Question 12

Which feature of the ethmoid bone serves as an attachment point for the brain’s covering layers?

Accepted Answer

Crista galli

Question 13

A patient with an abnormal lateral curvature of the vertebral column is most likely diagnosed with:

Accepted Answer

Scoliosis

Question 14

Which part of the sternum is most inferior and serves as an attachment site for several muscles?

Accepted Answer

Xiphoid process

Question 15

Which of the following best describes the orientation of the superior articular processes in lumbar vertebrae?

Accepted Answer

Face posteriorly

Question 16

Which opening allows passage of the optic nerve from the eyeball to the brain?

Accepted Answer

Optic canal

Question 17

Which bone forms the posterior-inferior part of the nasal septum?

Accepted Answer

Vomer

Question 18

Which vertebra is known as the 'axis' and allows for rotation of the head?

Accepted Answer

C2

Question 19

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

Accepted Answer

Protects the heart and lungs

Question 20

Which of the following best describes the difference between true ribs and false ribs?

Accepted Answer

True ribs attach directly to the sternum via their own costal cartilage; false ribs do not.

The Axial Skeleton: Structure, Function, and Key Features

Study Guide - Practice Questions