$$206 = 86 \text{ paired} + 34 \text{ single}$$

Question 1

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

Accepted Answer

Femur

Question 2

What is the primary function of cranial bones?

Accepted Answer

To protect the brain and provide attachment for head and neck muscles

Question 3

Which joint type connects most bones of the skull?

Accepted Answer

Sutures

Question 4

Fontanels in a newborn's skull serve which of the following purposes?

Accepted Answer

Permit overlapping of skull bones during birth and allow for brain growth

Question 5

Which of the following is a correct description of the hyoid bone?

Accepted Answer

It is the only bone that does not articulate directly with any other bone

Question 6

Which of the following is a facial bone?

Accepted Answer

Mandible

Question 7

The coronal suture connects which two bones?

Accepted Answer

Frontal and parietal bones

Question 8

Which of the following is NOT a paranasal sinus?

Accepted Answer

Temporal sinus

Question 9

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

Accepted Answer

Anchoring muscles of facial expression

Question 10

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

Accepted Answer

$$206 = 86 	ext{ paired} + 34 	ext{ single}$$

Question 11

Which of the following statements about the vertebral column is correct?

Accepted Answer

It is part of the axial skeleton and protects the spinal cord

Question 12

Which bone forms the posterior part of the hard palate?

Accepted Answer

Palatine bone

Question 13

Which of the following is a distinguishing feature of the atlas (C1) vertebra?

Accepted Answer

It lacks a body and spinous process

Question 14

Which of the following best describes the articulation between a rib and the thoracic vertebra?

Accepted Answer

The rib head articulates with the vertebral body and the tubercle with the transverse process

Question 15

Which of the following is true regarding sutures in the adult skull?

Accepted Answer

They are immovable joints that connect most cranial bones

Question 16

Which bone is the largest and strongest facial bone?

Accepted Answer

Mandible

Question 17

Which of the following bones contains the cribriform plate, which allows passage of olfactory nerves?

Accepted Answer

Ethmoid bone

Question 18

A patient with a fracture to the occipital bone may have damage to which cranial fossa?

Accepted Answer

Posterior cranial fossa

Question 19

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

Accepted Answer

To lighten the skull and enhance voice resonance

Question 20

Which equation correctly represents the number of bones in the axial skeleton?

Accepted Answer

$$80 = 	ext{Skull} + 	ext{Hyoid} + 	ext{Vertebrae} + 	ext{Ribs} + 	ext{Sternum}$$

Axial Skeleton: Structure and Function

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