FREE AIIMS MCQ on 07 December 2016

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 DAILY FREE MCQ CHALLENGE for Medical PG Preparation

Question
All of the following are true regarding Bell’s palsy, EXCEPT:
A.Recovery is not possible
B. Herpes simplex
C. Steroids are used
D. Unilateral facial weakness

TIPSImportant Question from AIIMS 2013

Answer: A. Recovery is not possible

Explanation :

Bell’s palsy is an idiopathic paralysis of the facial nerve resulting in loss of brow furrowing, weak eye closure, and dropped angle of mouth. Weakness of all facial muscles on the affected side. The facial nerve becomes inflamed, resulting in nerve compression.

Clinical features:

  • Postauricular pain.
  • Dry eyes.
  • Involuntary tearing.
  • Hyperacusis.
  • Altered tastes.

Diagnosis:
The pupil may be dilated; its response to direct or consensual light may be sluggish or absent (efferent defect). Pupil dilation (mydriasis) may be an early sign. Herpes simplex virus (HSV) type 1 DNA was frequently detected in endoneurial fluid and posterior auricular muscle, suggesting that a reactivation of this virus in the geniculate ganglion may be responsible for most cases.

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Treatment is oral steroids as soon after the onset of symptoms as possible. Most patients have a full recovery within 6 months.

Reference: Chapter 233. Bell’s Palsy. In: Usatine RP, Smith MA, Chumley HS, Mayeaux EJ, Jr.. eds. The Color Atlas of Family Medicine, 2e. Reference link

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