Positive tuberculin test means?
Ans. is 'c' i.e., Hypersensitivity A positive tuberculin test indicates hypersensitivity to tuberculoprotein, it may be due to : Active infection Subclinical infection Past infection BCG vaccination In overwhelming tuberculosis (fulminant cases) due to depressed cellular immunity montoux test may be false negative.
Resistance to TB
Susceptibility to TB
Hypersensitivity
None of the above