<prompt> XDR-TB is defined as Resistance to:INH plus rifampicinFluoroquinolones plus INH plus amikacinFluoroquinolones plus rifampicin plus kanamycinFluoroquinolones plus INH plus rifampicin plus amikacin  <response>: Ans. is. d i. e., Fluoroquinolones plus INH plus rifampicin plus amikacin 