Question 1

Which of the following is NOT a component of the human skeleton?

Accepted Answer

Tendons

Question 2

How many bones are found in the axial skeleton of an adult human?

Accepted Answer

$$80$$

Question 3

Which of the following structures is part of the appendicular skeleton?

Accepted Answer

Femur

Question 4

A patient presents with an abnormal lateral curvature of the spine. What is the most likely diagnosis?

Accepted Answer

Scoliosis

Question 5

Which region of the vertebral column contains the greatest number of vertebrae?

Accepted Answer

Thoracic

Question 6

Which of the following statements about primary and secondary spinal curvatures is TRUE?

Accepted Answer

Primary curvatures are convex and present at birth.

Question 7

If a baby is just beginning to walk, which spinal curvatures are developing?

Accepted Answer

Cervical and lumbar

Question 8

Which of the following best describes the function of the vertebral column?

Accepted Answer

It surrounds and protects the spinal cord.

Question 9

A patient has a narrowing of the vertebral canal in the lumbar region, compressing the roots of spinal nerves. What is this condition called?

Accepted Answer

Stenosis

Question 10

Which of the following is a correct pairing of vertebral region and number of vertebrae?

Accepted Answer

Thoracic: 12

Question 11

Which bones form the posterior wall of the thoracic cage?

Accepted Answer

Thoracic vertebrae

Question 12

True ribs are defined as:

Accepted Answer

Ribs that attach to the sternum by costal cartilage

Question 13

Which of the following is a function of the thoracic cage?

Accepted Answer

Provides attachment sites for muscles of the back

Question 14

Which of the following is a secondary curvature of the vertebral column?

Accepted Answer

Lumbar

Question 15

If a patient has an accentuated lumbar curvature, what is the clinical term for this condition?

Accepted Answer

Lordosis

Question 16

Which of the following equations correctly represents the total number of bones in the adult human skeleton?

Accepted Answer

$$80 + 126 = 206$$

Question 17

Which of the following is NOT a function of the vertebral column?

Accepted Answer

Protects the heart and lungs

Question 18

Which of the following statements about the coccyx is correct?

Accepted Answer

It is inferior to the sacrum.

Question 19

Which of the following best describes the difference between true ribs and floating ribs?

Accepted Answer

True ribs attach directly to the sternum by costal cartilage, while floating ribs do not attach to the sternum.

Question 20

A newborn is examined and found to have only primary spinal curvatures. Which regions of the spine are convex at this stage?

Accepted Answer

Thoracic and sacral

The Human Skeleton: Structure and Regions of the Axial Skeleton

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