Question 1

Which bone forms the posterior base of the cranial cavity and contains the foramen magnum, through which the spinal cord exits the skull?

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 bones is NOT part of the axial skeleton?

Accepted Answer

Clavicle

Question 4

A patient presents with loss of smell after head trauma. Which structure is most likely damaged?

Accepted Answer

Cribriform plate of the ethmoid bone

Question 5

Which suture attaches the frontal bone to the parietal bones?

Accepted Answer

Coronal suture

Question 6

The vertebral column is composed of 24 vertebrae, the sacrum, and the coccyx. How many cervical vertebrae are there?

Accepted Answer

7

Question 7

Which bone forms the only movable joint in the skull?

Accepted Answer

Mandible

Question 8

The transverse foramen is a unique feature of which vertebrae, allowing passage of blood vessels to the brain?

Accepted Answer

Cervical vertebrae

Question 9

Which bone does NOT contribute to the formation of the orbit?

Accepted Answer

Mandible

Question 10

Which ribs are classified as 'floating ribs' and do not attach to the sternum?

Accepted Answer

Rib pairs 11–12

Question 11

A patient has difficulty rotating their head side-to-side. Which articulation is most likely affected?

Accepted Answer

Atlas and axis (dens)

Question 12

Which bone forms the roof of the nasal cavity and contains olfactory foramina?

Accepted Answer

Ethmoid bone

Question 13

The paranasal sinuses are found in all of the following bones EXCEPT:

Accepted Answer

Mandible

Question 14

Which bone is U-shaped, does not articulate with any other bone, and serves as an attachment site for muscles of the larynx, pharynx, and tongue?

Accepted Answer

Hyoid bone

Question 15

Which vertebra is known as the atlas and allows nodding of the head?

Accepted Answer

C1

Question 16

The hard palate is formed primarily by which bones?

Accepted Answer

Maxilla and palatine bones

Question 17

Which process of the mandible provides attachment for a major jaw muscle?

Accepted Answer

Coronoid process

Question 18

The vertebral body is primarily responsible for which function?

Accepted Answer

Weight-bearing

Question 19

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

Accepted Answer

Vomer

Question 20

Which equation best represents the total number of bones in the axial skeleton, given the following: skull (22), auditory ossicles (6), hyoid (1), vertebral column (26), and thoracic cage (25)?

Accepted Answer

$$22 + 6 + 1 + 26 + 25 = 80$$

Chapter 7: The Axial Skeleton--Structure and Function

Study Guide - Practice Questions

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