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
TB multidrug regimen is given to- 
Select and explain. 
A. Prevent resistance, B. Broad spectrum, C. Prevent side effects, D. None
A: Prevent resistance
Answer: A: Prevent resistance 
Explanation: Ans. is 'a' i.e., Prevent resistance o Multidrug treatment in TB is given to -i) Prevent emergence of persistersii) Prevent relapseiii) Prevent emergence of resistanceiv) shorten the duration of treatment