This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health care of community & international health, Subject name: Social & Preventive Medicine
All are grass root worker&;s except - 
Select and explain. 
A. Anganwardi workers, B. Traditional bih attendants, C. Village health guide, D. Health assistants
D: Health assistants
Answer: D: Health assistants 
Explanation: Village level Village health guide Local dais Anganwadi worker ASHA (refer pgno:902 park 23rd edition)