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Facial nerve and its disorders

Question
21 out of 33
 

Which of the following is not true about Bell's palsy? [Delhi 2008]



A Acute onset

B Always recurrent

C Spontaneous remission

D Increased predisposition in Diabetes Mellitus

Ans. B Always recurrent

Bells Palsy

c. It is the commonest cause of facial palsy in adults

d. Lower motor neuron type paratysis"

e. It is idiopathic in nature Q

f. Bells palsy manifests as an acute, uniiateraP paresis or paralysis of the face.

g. The onset and evolution are rapid - typically less than 48 hours. Q

h. The incidence reaches a maximum between the ages 75 and 45 years. It has a predominance in women younger than 20 years and a

i. slight predominance in men older than 40 years, although it is more or less equal. Q

j. Recurrence rate of Bells palsy is 4.5-75% (. it is not always recurrent) Q

k. Familial incidence = 4. 7 %

l. Bells palsy is uncommon in pregnancy, however the prognosis is significantly worse in pregnant women with Bells palsy than among

m. non pregnant women with palsy.

n. Several authors have also demonstrated, a correlation between diabetes mellitus and Bells palsy in developing countries.

o. Infectious causes have also been implicated in the origin of Bells palsy - viz:

- HSV 7 and HSV 2, human herpes

- Varicella zoster virus

- Influenza B

- Adenovirus

- Cox sackie virus

- Epstein Barr virus

Recently it has been demonstrated that an inactivated intranasal influenza vaccine increased the risk of Bells palsy.

a. Normal function is usually regained within 3 months in about 2/3 rd of patients

b. No further recovery is expected after a period of 6 months.

c. Majority of the patients with Bell's palsy recover completely

Facial nerve and its disorders Flashcard List

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