19 - ebnalfady

[ArchivalUser]

Drug X is an antimycobacterial agent that inhibits other bacteria as well as poxviruses. However, it should not be used as a single agent because resistant mutants frequently form. The responsible mutation may alter the site of action of drug X [i.e., the deoxyribonucleic acid (DNA)“dependent ribonucleic acid (RNA) polymerase]. What is drug X?
A.
INH
B.
Rifampin
C.
Pyrazinamide
D.
Ethambutol