A positive Mantoux test indicates an area of induration of
Options
A. 4-9 mm in diameter
B. 1-4 mm in diameter
C. 10 mm or more in diameter
D. None of these
Correct Answer
10 mm or more in diameter
More questions
1. It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are