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: Biochemistry
Recommended dietary allowance of vitamin A for adults is 
Select and explain. 
A. 3500 IU for man and 2500 IU for woman, B. 3000 IU for man and 2000 IU for woman, C. 4000 IU for man and 3000 IU for woman, D. 4500 IU for man and 3500 IU for woman
A: 3500 IU for man and 2500 IU for woman
Answer: A: 3500 IU for man and 2500 IU for woman 
Explanation: The RDA of vitamin A for adults is around 1000 retinol equivalents (3,500 lU) for man and 800 retinol equivalents (2,500 lU) for woman.
Reference: Satyanarayana- Biochemistry, 3rd edition, pg-122