Microbiology General afdc6123 XDR-TB is defined as Resistance to: A INH plus rifampicin B Fluoroquinolones plus INH plus amikacin C Fluoroquinolones plus rifampicin plus kanamycin D Fluoroquinolones plus INH plus rifampicin plus amikacin High-Yield Explanation Ans. is. 'd' i. e., Fluoroquinolones plus INH plus rifampicin plus amikacin