<prompt> All the following statements about Military T.B are true exceptMay occur following primary infectionMay occur following secondary reactivationSputum microscopy is usually negativeMantoux is always positive  <response>: Sputum-smear microscopy is negative in most cases. Various hematologic abnormalities may be seen, including anemia with leukopenia, lymphopenia, neutrophilic leukocytosis and leukemoid reactions, and polycythemia. Disseminated intravascular coagulation has been repoed. Elevation of alkaline phosphatase lev-els and other abnormal values in liver function tests are detected in patients with severe hepatic involvement. The TST may be negative in up to half of cases, but reactivity may be restored during chemotherapy. Ref Harrison 19th edition pg 1112 