Question 1

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

Accepted Answer

Femur

Question 2

Which suture separates the two parietal bones of the skull?

Accepted Answer

Sagittal suture

Question 3

A patient presents with a fracture at the base of the skull involving the foramen magnum. Which bone is directly affected?

Accepted Answer

Occipital bone

Question 4

Which of the following is a landmark of the sphenoid bone?

Accepted Answer

Sella turcica

Question 5

The cribriform plate is a feature of which bone, and what is its primary function?

Accepted Answer

Ethmoid bone; passage of olfactory nerves

Question 6

Which of the following bones forms the anterior portion of the hard palate?

Accepted Answer

Maxillae bones

Question 7

A newborn’s skull contains fontanels. What is the primary function of these structures?

Accepted Answer

To allow for brain growth and skull distortion during birth

Question 8

Which of the following is true regarding the paranasal sinuses?

Accepted Answer

They are air spaces that warm and humidify air and lighten the skull

Question 9

Which bone contains the external auditory canal (meatus)?

Accepted Answer

Temporal bone

Question 10

A patient has difficulty moving their jaw at the temporomandibular joint (TMJ). Which bones form this joint?

Accepted Answer

Mandible and temporal bone

Question 11

Which of the following is a paired bone of the cranium?

Accepted Answer

Parietal bone

Question 12

Which landmark is found on the mandible and serves as a passageway for nerves and blood vessels to the chin?

Accepted Answer

Mental foramen

Question 13

The perpendicular plate of the ethmoid bone, together with which other bone, forms the nasal septum?

Accepted Answer

Vomer bone

Question 14

Which suture is located between the frontal bone and the parietal bones?

Accepted Answer

Coronal suture

Question 15

Which of the following is a function of the mastoid process of the temporal bone?

Accepted Answer

Attachment site for neck muscles

Question 16

Which bone contains the infraorbital foramen?

Accepted Answer

Maxilla

Question 17

A blow to the side of the head fractures the zygomatic arch. Which bones are involved in this structure?

Accepted Answer

Zygomatic and temporal bones

Question 18

Which of the following best describes the development of the cranial bones?

Accepted Answer

They develop via intramembranous ossification

Question 19

Which of the following is NOT a function of the paranasal sinuses?

Accepted Answer

Anchoring the teeth

Question 20

Which of the following best explains why the fontanels of a fetal skull are clinically important during childbirth?

Accepted Answer

They allow the skull to compress and change shape as it passes through the birth canal

The Axial Skeleton: Structure and Landmarks of the Skull

Study Guide - Practice Questions