This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antibiotics, Subject name: Pharmacology
The dose of Dapsone at which it does not cause hemolysis? 
Select and explain. 
A. 50mg, B. 200mg, C. 300mg, D. 500mg
A: 50mg
Answer: A: 50mg 
Explanation: Doses of dapsone less than 50mg in normal healthy persons cause no hemolysis.Ref: Goodman Gillman 12th ed. Pg: 1564