Facial Nerve Palsy

Question 1

where does the facial nerve exit the skull

Answer 1

jugular foramen

Question 2

what modalities does the facial nerve carry

Answer 2

motor
sensory
parasympathetic

Question 3

motor function of facial nerve

Answer 3

supplies muscles of facial expression + strapedius (decreases stapes movement to dampen sound|)

Question 4

sensory function of facial nerve

Answer 4

chorda tympani branch connects with lingual branch of CNV3 to supply taste to anterior 2/3rds tongue

Question 5

parasympathetic function of facial nerve

Answer 5

supplies submandibular + sublingual salivary glands

Question 6

important difference between UMN + LMN facial palsy

Answer 6

UMN Spares forehead

Question 7

most common cause of UMN facial palsy

Answer 7

stroke

Question 8

in an UMN facial palsy, where is the weakness in relation to the lesion

Answer 8

weakness is on OPPOSITE side to the lesion

Question 9

what is Bells Palsy?

Answer 9

LMN facial palsy

Question 10

in Bells palsy, where is the weakness in relation to the lesion

Answer 10

Weakness is on the SAME side to the lesion

Question 11

Bells palsy is most common in what groups of people

Answer 11

pregnant women

elderly age 65 - 74

Question 12

treatment of Bells Palsy

Answer 12

prednisolone

Question 13

what is Ramsay Hunt Syndrome

Answer 13

LMN palsy with painful vesicular rash around ear on affected side

Question 14

what causes Ramsay Hunt Syndrome

Answer 14

Herpes Zoster

Question 15

treatment of Ramsay Hunt Syndrome

Answer 15

Aciclovir
Prednisolone
Lubricating eye drops

Question 16

symptoms of facial nerve palsy

Answer 16

weakness of muscles of facial expression
drooping of mouth - dribbling
hyperacusis
change in taste