Question 1

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

Accepted Answer

The clavicle

Question 2

A patient presents with a fracture to the occipital bone. Which suture is most likely to be affected?

Accepted Answer

Lambdoid suture

Question 3

Which bone forms the posterior portion of the skull and contains the foramen magnum?

Accepted Answer

Occipital bone

Question 4

The vertebral column consists of 24 vertebrae, the sacrum, and the coccyx. Which equation correctly represents the total number of bones in the vertebral column?

Accepted Answer

$$24 + 1 + 1 = 26$$

Question 5

Which of the following is a function of the facial bones?

Accepted Answer

Protect and support the entrances to the digestive and respiratory tracts

Question 6

A newborn has a soft spot on the top of the skull. Which fontanelle is this?

Accepted Answer

Anterior fontanelle

Question 7

Which vertebra articulates directly with the skull?

Accepted Answer

C1 (atlas)

Question 8

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

Accepted Answer

Absorb shocks and separate vertebral bodies

Question 9

Which equation correctly represents the number of ribs in the human body?

Accepted Answer

$$12 	imes 2 = 24$$

Question 10

A patient has a fracture in the sternal body. Which ribs are most likely to be affected?

Accepted Answer

Ribs 2–7

Question 11

Which bone is NOT a cranial bone?

Accepted Answer

Maxilla

Question 12

Which of the following structures is found only in thoracic vertebrae?

Accepted Answer

Costal facets

Question 13

Which equation represents the total number of bones in the adult axial skeleton?

Accepted Answer

$$8 + 14 + 6 + 1 + 24 + 1 + 1 + 24 + 1 = 80$$

Question 14

Which bone contains the sella turcica, a structure that houses the pituitary gland?

Accepted Answer

Sphenoid

Question 15

Which of the following is a distinguishing feature of lumbar vertebrae?

Accepted Answer

Short, heavy spinous processes

Question 16

Which bone forms the only movable joint in the skull?

Accepted Answer

Mandible

Question 17

Which of the following best describes the function of the auditory ossicles?

Accepted Answer

Transfer sound from the tympanic membrane to the inner ear

Question 18

Which suture attaches the frontal bone to the parietal bones?

Accepted Answer

Coronal suture

Question 19

A patient has damage to the superior orbital fissure. Which nerve is most likely to be affected?

Accepted Answer

Oculomotor nerve (N III)

Question 20

Which bone is located in the neck and does not articulate with any other bone?

Accepted Answer

Hyoid bone

The Axial Skeleton: Structure and Function

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