lec 5 Cranial Nerve Quiz delta

A patient presents with difficulty moving their right eye laterally. Which cranial nerve is most likely affected?

• Oculomotor nerve (CN III)

• Trochlear nerve (CN IV)

• Abducens nerve (CN VI)

• Facial nerve (CN VII)

A lesion in the trigeminal motor nucleus would most likely result in weakness in which of the following actions?

• Facial expression

• Mastication

• Swallowing

• Tongue movement

A patient with damage to the facial motor nucleus may struggle with which of the following?

• Hearing

• Smiling symmetrically

• Balance

• Swallowing

Which cranial nerve is responsible for taste sensation in the anterior two-thirds of the tongue?

• Glossopharyngeal nerve (CN IX)

• Facial nerve (CN VII)

• Vagus nerve (CN X)

• Hypoglossal nerve (CN XII)

A patient reports loss of sensation on the left side of their face. Which cranial nerve may be involved?

• Facial nerve (CN VII)

• Glossopharyngeal nerve (CN IX)

• Trigeminal nerve (CN V)

• Accessory nerve (CN XI)

Which cranial nerve supplies the superior oblique muscle?

• Oculomotor nerve (CN III)

• Trochlear nerve (CN IV)

• Abducens nerve (CN VI)

• Optic nerve (CN II)

A patient is unable to shrug their shoulders or turn their head against resistance. This indicates damage to which cranial nerve?

• Facial nerve (CN VII)

• Accessory nerve (CN XI)

• Hypoglossal nerve (CN XII)

• Vagus nerve (CN X)

Which cranial nerve emerges from the posterior aspect of the brainstem and decussates before innervating its target muscle?

• Trochlear nerve (CN IV)

• Oculomotor nerve (CN III)

• Abducens nerve (CN VI)

• Facial nerve (CN VII)

Injury to the Edinger-Westphal nucleus would primarily impact which of the following functions?

• Tongue movement

• Pupil constriction

• Facial expression

• Shoulder shrugging

Damage to the cochlear component of the vestibulocochlear nerve (CN VIII) would likely result in:

• Loss of balance

• Loss of facial sensation

• Hearing loss

• Difficulty swallowing