Question 1

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

Accepted Answer

Scapula

Question 2

A patient presents with numbness and tingling in the hand after lifting a heavy object. Imaging reveals a herniated disc. Which structure is most likely protruding to compress a spinal nerve?

Accepted Answer

Nucleus pulposus

Question 3

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

Accepted Answer

Lighten the skull and enhance voice resonance

Question 4

A Colles fracture is most likely to involve which bone?

Accepted Answer

Radius

Question 5

Which bone marking is defined as a tunnel through a bone, allowing passage of nerves or blood vessels?

Accepted Answer

Canal (or meatus)

Question 6

Which of the following best describes the difference between the male and female pelvis?

Accepted Answer

The female ischial tuberosities point laterally

Question 7

Which of the following bones contributes to the formation of the nasal septum?

Accepted Answer

Vomer

Question 8

A patient with osteoporosis suffers a wedge fracture in the vertebral column. Which region is most likely affected?

Accepted Answer

Thoracic

Question 9

Which of the following is true regarding the atlas (C1) vertebra?

Accepted Answer

It articulates with the occipital condyles

Question 10

Which of the following bones forms the posterior wall of the pelvic cavity and fuses by ages 20–25?

Accepted Answer

Sacrum

Question 11

During CPR, why is it important to avoid placing hands over the xiphoid process?

Accepted Answer

It may break and damage the liver

Question 12

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

Accepted Answer

Kidney-shaped body

Question 13

A patient is diagnosed with lordosis. Which spinal curvatures are exaggerated in this condition?

Accepted Answer

Cervical and lumbar

Question 14

Which of the following bones is NOT a component of the orbit?

Accepted Answer

Temporal bone

Question 15

Which of the following best describes the function of the hyoid bone?

Accepted Answer

Attachment point for muscles involved in swallowing and speech

Question 16

Which of the following is a true rib?

Accepted Answer

Rib 7

Question 17

A patient presents with a deviated nasal septum. Which bones are most likely involved in the posterior portion of the septum?

Accepted Answer

Perpendicular plate of ethmoid and vomer

Question 18

Which of the following is the correct order of bones from lateral to medial in the proximal row of carpal bones?

Accepted Answer

Scaphoid, lunate, triquetrum, pisiform

Question 19

Which of the following is a function of the projections found on bones?

Accepted Answer

Provide sites for ligament and tendon attachment

Question 20

A patient with a burst fracture of a vertebra is at greatest risk for which complication?

Accepted Answer

Compression of the spinal cord and nerves

The Skeletal System: Structure, Function, and Key Features

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