<prompt> In MDR TB, Mycobacterium tuberculosis is resistant to:Isoniazid EthambutolRifampcin EthambutolIsoniazid RifampcinIsoniazid Pyrazinamide  <response>: Mycobacterium tuberculosis resistant to Isoniazid Rifampicin - MDR.TBMycobacterium.tuberculosis resistant to Isoniazid, Rifampicin and one of the Fluoroquinolone and any one of the second line drug used in Mycobacterium.tuberculosis - XDR.TB 