Question 1

Which of the following is NOT a function of the axial skeleton?

Accepted Answer

Stores calcium and phosphorus for metabolic needs.

Question 2

Which bone is NOT part of the cranium?

Accepted Answer

Zygomatic bone

Question 3

The mastoid process is an important anatomical landmark because:

Accepted Answer

It serves as an attachment site for muscles that rotate the head.

Question 4

Which feature of the sphenoid bone cradles the pituitary gland?

Accepted Answer

Sella turcica

Question 5

A patient presents with a loss of smell after a head injury. Which bone and feature are most likely involved?

Accepted Answer

Ethmoid bone, cribriform plate

Question 6

Which of the following bones does NOT contribute to the formation of the orbit?

Accepted Answer

Vomer

Question 7

The mandibular foramen is clinically significant because:

Accepted Answer

It is the site where dentists anesthetize the lower teeth.

Question 8

Which statement best describes the difference between the true pelvis and the false pelvis?

Accepted Answer

The true pelvis is inferior to the pelvic brim and contains pelvic organs.

Question 9

Which vertebra is known as the 'vertebra prominens' and why is it clinically important?

Accepted Answer

C7; it has a large spinous process that can be palpated at the base of the neck

Question 10

A laminectomy is a surgical procedure that involves:

Accepted Answer

Removal of a vertebral lamina to relieve symptoms of a herniated disc.

Question 11

Which of the following is a distinguishing feature of lumbar vertebrae compared to thoracic vertebrae?

Accepted Answer

Thicker vertebral bodies for weight bearing

Question 12

Which bone is NOT part of the appendicular skeleton?

Accepted Answer

Sternum

Question 13

A patient with a clubfoot (talipes equinovarus) will have which of the following deformities?

Accepted Answer

The foot is twisted inferiorly and medially, with an increased arch angle.

Question 14

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

Accepted Answer

They lighten the skull, resonate the voice, and provide mucous epithelium.

Question 15

Which feature is found only in the cervical vertebrae?

Accepted Answer

Transverse foramen

Question 16

The glenoid cavity is significant because it:

Accepted Answer

Articulates with the head of the humerus.

Question 17

Which of the following bones forms the prominence of the cheek?

Accepted Answer

Zygomatic bone

Question 18

A patient with a fracture at the surgical neck of the humerus is at risk for which of the following complications?

Accepted Answer

Damage to the axillary nerve and impaired shoulder abduction

Question 19

Which of the following statements about the sacrum is TRUE?

Accepted Answer

It consists of five fused vertebrae and protects reproductive, digestive, and urinary organs.

Question 20

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

Accepted Answer

It serves as a point of attachment for muscles of the larynx, pharynx, and tongue.

The Skeleton: Structure, Regions, and Key Features

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