Cranial Nerve Defects

Question 1

Ptosis

Answer 1

Oculomotor

Question 2

Palsy of which cranial nerve will result in a Down and out eye

Answer 2

Oculomotor

Question 3

Dilated, fixed pupil

Answer 3

Oculomotor

Question 4

Defective downward gaze–> vertical diplopia

Answer 4

Trochlear

Question 5

Palsy of which cranial nerve woud cause Trigeminal neuralgia?

Answer 5

Trigeminal

Question 6

Loss of afferent limb of corneal reflex

Answer 6

Trigeminal

Question 7

Palsy of which cranial nerve would cause Loss of facial sensation?

Answer 7

Trigeminal

Question 8

Paralysis of mastication muscles

Answer 8

Trigeminal

Question 9

Deviation of jaw to weak side

Answer 9

Trigeminal

Question 10

Palsy of which cranial nerve would cause Defective eye abduction –> horizontal diplopia ?

Answer 10

Abducens

Question 11

Flaccid paralysis of upper and lower face

Answer 11

Facial

Question 12

Palsy of which nerve causes loss of corneal reflex (efferent)?

Answer 12

Facial

Question 13

Palsy of which cranial nerve would cause Loss of taste?

Answer 13

Facial

Question 14

Palsy of which cranial nerve will cause Hyperacusis

Answer 14

Facial

Question 15

Hearing loss

Answer 15

vestibulotrochlear

Question 16

Vertigo

Answer 16

vestibulotrochlear

Question 17

nystagmus

Answer 17

vestibulotrochlear

Question 18

Hypersensitive carotid sinus

Answer 18

Glossopharyngeal

Question 19

Loss of afferent gag reflex

Answer 19

Glossopharyngeal

Question 20

Uvula deviates away from site of lesion

Answer 20

Vagus

Question 21

Loss of efferent gag reflex

Answer 21

Vagus

Question 22

Weakness turning head to contralateral side

Answer 22

Accessory

Question 23

Tongue deviates towards side of lesion

Answer 23

Hypoglossal