First line of antitubercular drug is_____________?
Correct answer: B. INH
- A. Streptomycin
- B. INH
- C. Ethambutol
- D. Cephalosporins
Explanation
Isoniazid, or INH, is the most important first-line antitubercular drug because it is highly effective against actively multiplying Mycobacterium tuberculosis. Modern treatment uses it in combination with other first-line agents, while cephalosporins are not standard antitubercular drugs.
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