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
A 25-year-old female has been diagnosed to be suffering fromtuberculosis categorized as Category II (Sputum+ve relapse). The treatment regimen recommended under DOTS is - 
Select and explain. 
A. 2 (HRZE)3 + 5 (HR)3, B. 2 (HRSZE)3 + (HRZE)3 + 5 (HR)3, C. 3 (HRZE)3 + 2 (HRE)3 + 4 (HR)3, D. 3 (HRSZE)3 + 1 (HRZE)3 + 6 (HRE)3
B: 2 (HRSZE)3 + (HRZE)3 + 5 (HR)3
Answer: B: 2 (HRSZE)3 + (HRZE)3 + 5 (HR)3 
Explanation: - category II include sputum smear positive relapse, sputum smear positive failure and sputum smear positive treatment after default patients. - the treatment regimen for category II of DOTS is 2 (HRSZE)3 + (HRZE)3 + 5 (HR)3. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:188 <\p>