Anatomy Exam 3 - Set 1

A patient experiences loss of smell following head trauma that damaged the cribriform plate. Which cranial nerve was most likely affected?

• Trigeminal nerve (CN V)

• Optic nerve (CN II)

• Olfactory nerve (CN I)

• Facial nerve (CN VII)

During an eye examination, a patient is unable to move their eyeball upward or medially. Damage to which cranial nerve could explain these findings?

• Oculomotor nerve (CN III)

• Trochlear nerve (CN IV)

• Abducens nerve (CN VI)

• Trigeminal nerve (CN V)

A patient complains of double vision (diplopia) when looking down a flight of stairs. The doctor suspects injury to the nerve that innervates the superior oblique muscle. Which cranial nerve is involved?

• Oculomotor nerve (CN III)

• Trochlear nerve (CN IV)

• Abducens nerve (CN VI)

• Optic nerve (CN II)

Loss of sensation to the forehead and cornea would most likely result from damage to which branch of the trigeminal nerve?

• Maxillary branch

• Mandibular branch

• Ophthalmic branch

• Buccal branch

A patient cannot abduct their right eye. Which cranial nerve controls the affected muscle?

• Oculomotor nerve (CN III)

• Trochlear nerve (CN IV)

• Abducens nerve (CN VI)

• Optic nerve (CN II)

After a temporal bone fracture, a patient develops facial paralysis and cannot close one eye or smile symmetrically. Which nerve is likely damaged?

• Facial nerve (CN VII)

• Trigeminal nerve (CN V)

• Vagus nerve (CN X)

• Glossopharyngeal nerve (CN IX)

A person experiencing vertigo and hearing loss likely has damage to which nerve?

• Cranial Nerve VIII

• Cranial Nerve IX

• Cranial Nerve X

• Cranial Nerve VII

A doctor asks a patient to stick out their tongue, but the tongue deviates to the right. Which nerve is affected?

• Hypoglossal nerve (CN XII)

• Vagus nerve (CN X)

• Accessory nerve (CN XI)

• Facial nerve (CN VII)

A patient with loss of taste sensation to the posterior one-third of the tongue and difficulty swallowing likely has a lesion in which nerve?

• Cranial Nerve VII

• Cranial Nerve IX

• Cranial Nerve X

• Cranial Nerve XII

Damage to the mandibular branch of the trigeminal nerve would result in:

• Loss of taste to the anterior tongue

• Difficulty chewing and loss of sensation in the lower jaw

• Paralysis of facial muscles

• Loss of corneal reflex