This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health programmes in India, Subject name: Social & Preventive Medicine
Dose of Rifampicin per month for adult multibacillary leprosy 
Select and explain. 
A. 600 mg, B. 150 mg, C. 450 mg, D. 300 mg
A: 600 mg
Answer: A: 600 mg 
Explanation: Treatment of adult multibacillary leprosy Rifampicin 600mg once monthly, supervised Dapsone 100mg daily, self-administered Clofazimine 300mg once monthly supervised; and 50 mg daily, self-administered. Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 323