Facial nerve palsy Flashcards

1
Q

What does the facial nerve supply?

A
  • muscles of facial expression
  • nerve to stapedius (ear)
  • anterior two-thirds of tongue
  • lacrimal glands and salivary glands
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Causes of bilateral facial nerve palsy

A
  • sarcoidosis
  • Guillain-Barre syndrome
  • Lyme disease
  • bilateral acoustic neuromas (NF 2)
  • sometimes bell’s palsy can be bilateral
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Causes of unilateral facial nerve palsy

A

Bell’s palsy
Ramsay-Hunt syndrome
acoustic neuroma
parotid tumour
HIV
multiple sclerosis
diabetes mellitus

Stroke (UMN palsy)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Difference between UMN and LMN facial palsy

A

UMN lesion ‘spares’ forehead

LMN lesion affects all facial muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3 branches of the facial nerve in the inner ear

A
  1. greater petrosal nerve
  2. nerve to stapedius
  3. chorda tympani
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly