The following statement stands Trite for Mantoux test
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 -
Test is read before 48 hrs
6-9 mm induration shows maximum chances of developing TB
A 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