1.
All the following are first-line drugs for tuberculosis, except
2.
All the following are true regarding isoniazid, except
3.
All the following are true regarding rifampicin, except
4.
All the following are true regarding ethambutol, except
5.
All the following are true regarding pyrazinamide, except
6.
All the following are second-line drugs for tuberculosis, except
7.
All the following are true regarding drug resistant tuberculosis (DR-TB), except