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
Daily required dose of iron in an adult man is: March 2005 
Select and explain. 
A. 0.7 mg, B. 0.8 mg, C. 0.9 mg, D. 1.0 mg
C: 0.9 mg
Answer: C: 0.9 mg 
Explanation: Ans. C: 0.9 mg Requirement of iron: 0.7 mg is requirement for infants (5-12 months) and post-menopausal woman 0.8 mg is required for first half of pregnancy 0.9 mg is the amount required by an adult male 1.0 mg is required by children (1-12 years)