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
According to RNTCP, a case of tubercular pericarditis should be treated under which category of anti-tubercular regimen? 
Select and explain. 
A. Category I, B. Category II, C. Category III, D. Category IV
A: Category I
Answer: A: Category I 
Explanation: - category I of DOTS include New sputum smear positive, New sputum smear negative and new extra pulmonary patients. - the examples of new extra pulmonary TB cases are meningitis, disseminated TB, tubercular pericarditis, peritonitis. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:188 <\p>