$N_{ribs} = 2 \times N_{rib\ pairs}$

Question 1

Which bone forms the anterior portion of the cranium and contains the frontal sinus?

Accepted Answer

Frontal bone

Question 2

The lambdoid suture is found between which two bones?

Accepted Answer

Parietal and occipital bones

Question 3

Which structure allows passage of the spinal cord from the brain into the vertebral canal?

Accepted Answer

Foramen magnum

Question 4

A patient presents with difficulty hearing. Which bone and its associated structure should be examined for possible damage?

Accepted Answer

Temporal bone, external acoustic meatus

Question 5

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

Accepted Answer

Protecting the brain from trauma

Question 6

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

Accepted Answer

Ethmoid bone; passage of olfactory nerves

Question 7

Which suture separates the frontal bone from the parietal bones?

Accepted Answer

Coronal suture

Question 8

A blow to the side of the head at the pterion can be life-threatening because it overlies which artery?

Accepted Answer

Middle meningeal artery

Question 9

Which bone contains the sella turcica, and what is housed within it?

Accepted Answer

Sphenoid bone; pituitary gland

Question 10

The atlas (C1) vertebra is unique because it:

Accepted Answer

Lacks a vertebral body and allows nodding of the head

Question 11

Which equation best represents the number of vertebrae in the cervical, thoracic, and lumbar regions?

Accepted Answer

$N_{total} = N_{cervical} + N_{thoracic} + N_{lumbar}$

Question 12

Which of the following ribs are considered 'floating ribs'?

Accepted Answer

Ribs 11-12

Question 13

A patient with a fractured dens would have damage to which vertebra?

Accepted Answer

Axis (C2)

Question 14

Which structure forms the articulation between the skull and the vertebral column?

Accepted Answer

Occipital condyles and atlas

Question 15

Which of the following best describes the function of the intervertebral discs?

Accepted Answer

Provide cushioning and flexibility between vertebrae

Question 16

The jugular foramen is located between which two bones?

Accepted Answer

Temporal and occipital bones

Question 17

Which equation would you use to calculate the total number of ribs in a typical human skeleton?

Accepted Answer

$N_{ribs} = 2 	imes N_{rib\ pairs}$

Question 18

Which part of the sternum is most likely to be fractured during CPR if hand placement is incorrect?

Accepted Answer

Xiphoid process

Question 19

Which bone contains the optic canal, and what passes through it?

Accepted Answer

Sphenoid bone; optic nerve

Question 20

A patient with trauma to the superior nuchal line would most likely experience pain in which region?

Accepted Answer

Posterior skull near the occipital bone

Axial Skeleton: Structure and Terminology (Lab Bio 203 Study Notes)

Study Guide - Practice Questions