Deck 8: Systemic Review of the Head and Neck

Question 1

The sensation of sight is the sole functional component of cranial nerve _____.

A) I
B) II
C) III
D) V
E) VII

Answer 1

B
Explanation: II. The sensation of sight is the sole functional component of cranial nerve II, the optic nerve.

Question 2

Damage to the _____ nerve results in tinnitus or hearing impairment and vertigo.

A) trochlear
B) trigeminal
C) maxillary
D) mandibular
E) vestibulocochlear

Answer 2

E
Explanation: Vestibulocochlear. Damage to the vestibulocochlear nerve (cranial nerve VIII) results in tinnitus or hearing impairment and vertigo and loss of balance.

Question 3

How many pairs of cranial nerves arise from the brain?

A) 6
B) 8
C) 12
D) 14
E) 18

Answer 3

C
Explanation: 12. Twelve pairs of cranial nerves arise from the brain. The first two nerves are remote from the brain and communicate with the brain via long extensions. The remaining 10 nerves arise directly from the brainstem.

Question 4

Paralysis of the soft palate and larynx, hoarseness or anesthesia of the larynx, and inability to speak and breathe because of paralysis of the vocal folds could indicate an impairment of the _____ nerve.

A) vestibulocochlear
B) facial
C) glossopharyngeal
D) vagus
E) trochlear

Question 5

Loss of the pharyngeal gag reflex and loss of taste from the posterior third of the tongue could indicate an impairment of the _____ nerve.

A) vagus
B) glossopharyngeal
C) facial
D) trigeminal
E) trochlear

Question 6

Damage to the cranial sympathetic trunk can result in _________, which is characterized by absence of sweating, vasodilation of the skin, enophthalmos, ptosis, and double vision.

A) Horner syndrome
B) Fragile X syndrome
C) Wernicke's syndrome
D) Wilms syndrome
E) Tachycardia

Question 7

The internal jugular vein leaves the skull through the jugular foramen, and, at the root of the neck, joins the subclavian vein to form the ________ vein.

A) facial
B) suprascapular
C) brachiocephalic
D) superior vena cava
E) lingual

Question 8

The ________ nerve, a branch of the trigeminal nerve, itself has a number of branches, including meningeal branches, posterior superior alveolar nerves, the middle superior alveolar nerve, and the zygomatic nerve.

A) mandibular
B) oculomotor
C) trochlear
D) facial
E) maxillary

Question 9

Lymph drains from the larynx and trachea through the paratracheal, pretracheal, and prelaryngeal nodes, which are in the __________ ring of lymph nodes.

A) superficial horizontal
B) submandibular
C) parotid
D) submental
E) deep horizontal

Question 10

The ________ nerve, a branch of the trigeminal nerve, itself has a number of branches, including nervus spinosus, the buccal nerve, the auriculotemporal nerve, and the lingual nerve.

A) mandibular
B) oculomotor
C) trochlear
D) facial
E) maxillary