This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rural & Urban Health Centres, Workers, Norms, Subject name: Social & Preventive Medicine
Which of the following workers is located at as sub-centre? 
Select and explain. 
A. Anganwadi worker, B. Multi - purpose worker, C. ASHA, D. Health assistant
B: Multi - purpose worker
Answer: B: Multi - purpose worker 
Explanation: Multi - purpose worker is located at: Sub - centre Anganwadi worker is located at: Village level or Urban slums ASHA is located at : Village level Health assistant is located at: PHC.