THE HEAD (PRACTICE QUESTIONS)

Question 1

The largest cranial nerve contains three divisions that leave the skull through separate foramina; one exits through the superior orbital fissure.

Which nerve of this branch is the largest?

A. Frontal
B. Lacrimal
C. Maxillary
D. Nasociliary

Answer 1

A. Frontal

Question 2

What are the nerves of the ophthalamic branch?

Answer 2

frontal, lacrimal, and nasociliary

Question 3

Eight bones form the cranial portion of the skull.

Which of the bones exists as a pair?

A. Ethmoid
B. Occipital
C. Parietal
D. Sphenoid

Answer 3

C. Parietal

Question 4

A fossa is composed of the frontal bone, ethmoid bone, and lesser wings of the sphenoid bone.
What structure is supported by the lateral boundaries of this fossa?

A. Brainstem
B. Frontal lobes of the cerebrum
C. Pituitary gland
D. Temporal lobes of the brain

Answer 4

B. Frontal lobes of the cerebrum

Question 5

Which part of the cerebrum is supported by the lateral portions of the anterior cranial fossa?

Answer 5

Frontal lobes

Question 6

This part is contained by the posterior cranial fossa?

Answer 6

brainstem

Question 7

These two parts are supported by the middle cranial fossa?

Answer 7

1. pituitary gland

2. temporal lobes of the brain

Question 8

A patient has difficulty abducting the jaw. What muscle is affected?

A. Buccinator
B. Lateral Pterygoid
C. Masseter
D. Temproalis

Answer 8

B. Lateral Pterygoid

Question 9

What does the buccinator aid in?

Answer 9

mastication and forces food between the teeth with the help of the tongue

Question 10

This muscle of mastication abducts the jaw?

Answer 10

lateral pterygoid

Question 11

This muscle of mastications adducts the jaw.

Answer 11

1. masseter
2. medial pterygoid
3. temporalis