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Tuberculin test help to find out :
(ಹ) Prior exposure to mycobacterium tuberculosis
ற If Negative means no TB
{C) Immune status of the patient
യ Highly positive means active TB
In RNTCP CAT- 1ATT sputum examination done at :
வ 1,8,5 months (3) 2,4,6 months
(0) 2,57 months (D) 2,8,6 months
One sputum positive TB patient can infect :
(ಯ) 1-....
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