Bell's Paralysis

Question 1

Damage to which nerve causes Bells Paralysis?

Answer 1

FACIAL NERVE VII

exits at stylomastoid foramen

Question 2

What is facial nerve vii responsible for?

Answer 2

ALL MM OF FACIAL EXPRESSION

NOT responsible for mm of mastication, lev palp sup

Question 3

List 5 possible causes of Bell’s Paralysis?

Answer 3

1. IDIOPATHIC - herpes, lyme, chill damage
2. DIRECT TRAUMA
3. INFLAMMATION/EDEMA
4. SEVERE TMJ PROBS
5. CAUSES INSIDE THE SKULL

Question 4

Why do patients with axonotmesis with Bell’s Paralysis recover, but not usually completely?

Answer 4

AXONS GO THROUGH WALLERIAN DEGENERATION

Question 5

Classic Bells Palsy, a lesion of the facial nerve at the stylomastoid foramen, leads to what type of motor loss?

Answer 5

SOMATIC MOTOR LOSS ONLY

Question 6

What are the biggest treatment concerns regarding Bells Paralysis? (2)

Answer 6

EYE SAFETY ISSUES
(unopposed antagonist Lev Palp Sup keeps the eye open)
EMOTIONAL ISSUES