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
Adult non–pregnant female requires, calcium per day – 
Select and explain. 
A. 400 mg, B. 600 mg, C. 800 mg, D. 1000 mg
B: 600 mg
Answer: B: 600 mg 
Explanation: None