Case 12.8 - Cranial Nerves

Which cranial nerve is responsible for facial sensation and mastication?

• CN III

• CN V

• CN VII

• CN IX

Which of the following fiber types is consistent with the fibers of the trigeminal nerve?

• GSA and GSE

• GSA and BE

• GSA

• BE and GSE

Damage to the corticobulbar tract can result in which of the following symptoms?

• Dysarthria and pseudobulbar affect

• Loss of pain sensation in the limbs

• Hemiballismus

• Resting tremor

Which cranial nerve is responsible for motor control of the sternocleidomastoid and trapezius muscles?

• CN VII

• CN X

• CN XI

• CN XII

Which pathway is responsible for voluntary control of urination and can be affected in brainstem lesions?

• Dorsal column-medial lemniscus

• Descending sphincteric pathways

• Spinothalamic tract

• Vestibulospinal tract

Which cranial nerve is primarily responsible for the gag reflex?

• Cranial Nerve IX and X

• Cranial Nerve V

• Cranial Nerve II and III

• Cranial Nerve V and VII

A lesion in the right brainstem affecting the corticospinal tract would cause weakness on which side of the body?

• Right

• No weakness

• Both sides equally

• Left

Lesions to cranial nerves are almost always affects the ______ side.

• quadrilateral triangle

• bilateral

• contralateral

• ipsilateral

Which of the following is true of the patient's history?

• 38 year old male

• Laughing at his girlfriend's father's wake

• Piano player

• Laughing at his girlfriend's mom

Lesion to what cranial nerve would affect the ability to swallow?

• Cranial Nerve XII

• Cranial Nerve VI and VII

• Cranial Nerve IX and X

• Cranial Nerve IV