<prompt> The following statement stands Trite for Mantoux testTest is read before 48 hrs6-9 mm induration shows maximum chances of developing TBA positive test does not indicate that the person is suffering from disease.New cases are more likely to occur in tuberculin negative person than those who already are tuberculin reactors  <response>: Answer is C A positive test does not ... A positive test indicates that patient is infected with M. tuberculosis. It does not however prove that the person is suffering from the disease - Park Montoux test Montoux test is carried out by injecting one tuberculin unit 1TU of PPD in 0.1 ml on the flexor surface of forearm PPD 23 with Tween 80 A positive test indicates that patient is infected with M. tuberculosis. It does not however prove that the person is suffering from the disease - Park Studies indicate that 92 of new cases occur in persons who already are tuberculin reactors.- Park 6-9 mm induration does not indicate high chances of developing tuberculosis. Infact patients with 25 mm induration have more chances of developing tuberculosis than those with 6-9 mm induration - 