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MCQs in Tuberculosis and Atypical Mycobacterial Infections
Question 1 of 14
Question category:
Bacteriology
XDR TB is defined as
MDR TB that is resistant to either one of the injectable second line drugs or second-line therapeutic fluoroquinolones
MDR TB that also is resistant to fluoroquinolones and at least one of the three injectable second-line drugs used to treat TB (amikacin, kanamycin, or capreomycin)
resistant to two most effective first-line therapeutic drugs, isoniazid and rifampin irrespective of resistance to any other drug
Strain resistant to more than one drug (excluding co resistance to INH and rif)