This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Under the Primary health care, which of the following staff is present at the subcentre level ? 
Select and explain. 
A. Block extension educator, B. Health guides, C. Multipurpose health worker, D. Medical officer
C: Multipurpose health worker
Answer: C: Multipurpose health worker 
Explanation: Ans. is 'c' i.e., Multipurpose health worker