Crack neet pg 2017-18: dermatology q-3

Q-3. Koplik’s spots typically appear:

a) Before the exanthem
b) At the same time as the exanthem
c) 1 week after the exanthem
d) 6 weeks after the exanthem

Answer: 14 days

Explanation:
Koplik’s spots are a prodromic viral enanthem of measles manifesting two to three days before the measles rash itself and pathognomonic for measles.
Important point:
The spots look like tiny grains of white sand, each surrounded by a red ring. They are found especially on the buccal mucosa opposite the 1st and 2nd upper molars.

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