Question 1

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

Accepted Answer

Clavicle

Question 2

Which cranial bone contains the cribriform plate, which plays a role in olfaction?

Accepted Answer

Ethmoid bone

Question 3

A patient presents with pain and clicking in the jaw. Which joint is most likely affected?

Accepted Answer

Temporomandibular joint

Question 4

Which acronym refers to the joint between the temporal bone and the mandible?

Accepted Answer

TMJ

Question 5

Which of the following is a function of the paranasal sinuses?

Accepted Answer

Lighten the skull and help resonate sound

Question 6

Fontanelles in a newborn's skull are important because they:

Accepted Answer

Allow for rapid brain growth and ease of birth

Question 7

Which of the following best describes a suture in the skull?

Accepted Answer

A fibrous joint where bones are tightly bound together

Question 8

Which vertebral region is most flexible and supports the greatest range of motion?

Accepted Answer

Cervical

Question 9

During development, when do the primary and secondary spinal curves appear?

Accepted Answer

Primary curves appear before birth; secondary curves develop after birth as the child begins to lift the head and walk.

Question 10

Which vertebral region is associated with kyphosis?

Accepted Answer

Thoracic

Question 11

What is the primary function of the vertebral body?

Accepted Answer

Bear weight and transmit it along the vertebral column

Question 12

Which of the following best describes the function of costal facets on thoracic vertebrae?

Accepted Answer

Articulation with the ribs

Question 13

A patient is found to have a fractured sternum after improper CPR. Which part of the sternum is most likely to be fractured?

Accepted Answer

Body

Question 14

Which equation best represents the number of true ribs in the human body?

Accepted Answer

$$n_{true\ ribs} = 7$$

Question 15

Which anatomical structure allows the head to nod 'yes'?

Accepted Answer

Atlanto-occipital joint

Question 16

Which of the following is a function of the hyoid bone?

Accepted Answer

Supports the tongue and provides attachment for muscles of swallowing

Question 17

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

Accepted Answer

$$n_{skull} = 22$$

Question 18

Which of the following is a distinguishing feature of cervical vertebrae compared to thoracic and lumbar vertebrae?

Accepted Answer

Presence of transverse foramina

Question 19

Which joint allows for the rotation of the head to indicate 'no'?

Accepted Answer

Atlanto-axial joint

Question 20

Which equation represents the number of vertebral regions in the human spine?

Accepted Answer

$$n_{regions} = 5$$

Axial Skeleton: Skull, Vertebral Column, and Thoracic Cage – Study Guide

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