Question 1

Which of the following best describes the function of the axial skeleton?

Accepted Answer

It supports and protects the internal organs, including the brain, spinal cord, and thoracic organs.

Question 2

A patient presents with a herniated intervertebral disc. Which structure is most likely protruding and compressing a spinal nerve?

Accepted Answer

Nucleus pulposus

Question 3

Which of the following bones contains a foramen that allows passage of the spinal cord?

Accepted Answer

Occipital bone

Question 4

A 10-year-old child is diagnosed with scoliosis. Which of the following best describes this condition?

Accepted Answer

Lateral curvature of the vertebral column

Question 5

Which of the following is a correct pairing of a bone marking and its function?

Accepted Answer

Condyle – articulation point with another bone

Question 6

The vertebral column has several curvatures. Which curvature develops as a baby learns to walk?

Accepted Answer

Lumbar curvature

Question 7

Which of the following best explains why the sternum is used as a landmark for CPR hand placement?

Accepted Answer

It is centrally located and overlies the heart, allowing effective chest compressions.

Question 8

A foramen is best described as:

Accepted Answer

A hole in a bone that allows passage of nerves and blood vessels

Question 9

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

Accepted Answer

Sternum

Question 10

A patient with kyphosis will most likely present with which of the following spinal abnormalities?

Accepted Answer

Exaggerated thoracic curvature

Question 11

Which of the following best describes the function of the nasal sinuses?

Accepted Answer

They lighten the skull and help warm, filter, and humidify inhaled air.

Question 12

Which bone marking is a long indentation along which a narrow structure travels?

Accepted Answer

Groove

Question 13

A patient has suffered a fracture to the bone that forms the only direct connection between the axial skeleton and the upper limb. Which bone is fractured?

Accepted Answer

Clavicle

Question 14

Which of the following is true regarding the hyoid bone?

Accepted Answer

It does not articulate with any other bone and is suspended by muscles and ligaments.

Question 15

Which of the following formulas correctly represents the number of phalanges in the human foot?

Accepted Answer

$$2 + (4 	imes 3) = 14$$

Question 16

A patient with lordosis will most likely have which of the following symptoms?

Accepted Answer

Exaggerated lumbar curvature causing the abdomen to protrude

Question 17

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

Accepted Answer

They bond the vertebral column together, support weight, and absorb shock.

Question 18

Which of the following is a correct match between a bone and its associated marking?

Accepted Answer

Humerus – Olecranon fossa

Question 19

A patient is unable to lift their head as an infant. Which spinal curvature is most likely underdeveloped?

Accepted Answer

Cervical curvature

Question 20

Which of the following best explains why a fracture of the xiphoid process can be dangerous during CPR?

Accepted Answer

It can puncture the heart or liver if broken off and displaced.

The Skeletal System: Structure, Functions, and Bone Markings

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