RESPIRATORY
OLD TUBERCULOSIS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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tb internal
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endogenous tb
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exogenous tb
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inactive tb
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Detailed explanation-1: -After antibiotic treatment, reactivation of the infection can occur spontaneously or in response to immunosuppressive agents, such as glucocorticoids.
Detailed explanation-2: -Endogenous reactivation tuberculosis is defined as tuberculosis resulting from a single infection acquired more than 5 years earlier. Exogenous re-infection tuberculosis is defined as tuberculosis resulting from a second (or more) infection acquired at any time following the first infection.
Detailed explanation-3: -Reactivation tuberculosis, as the name suggests, is the reactivation of contained mycobacterial infection. Reactivation Tb is the most common form of active tuberculosis, representing 90% of the cases.
Detailed explanation-4: -Incubation period of tuberculosis The period from infection to development of the primary lesion or significant tuberculin reaction is about 3–9 weeks.