This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
As per RNTCP Cat-1, should receive- 
Select and explain. 
A. 4 drugs for 2 months and two drugs for 4 months, B. 3 drugs for two months and 2 drugs for four months, C. Includes Retreatment cases, D. Rx is given daily
A: 4 drugs for 2 months and two drugs for 4 months
Answer: A: 4 drugs for 2 months and two drugs for 4 months 
Explanation: Category 1 TB treatment is, HRZE thrice weekly for two months (intensive phase) and HR thrice weekly for four months (continuation phase). Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition , Page :188