The time gap between appearance of Koplik's spot and cutaneous rash in measles is________________?
Correct answer: B. 3-4 days
- A. 24 Hrs
- B. 3-4 days
- C. 2 weeks
- D. 10 daysInfectious Diseases
Explanation
Koplik spots usually appear about 2 to 3 days before the measles rash, commonly described in exam texts as 3 to 4 days. A two-week interval is too long for this characteristic progression.
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