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: Pharmacology
Drugs not causing hemolysis - 
Select and explain. 
A. Choloroquine, B. Primaquine, C. Nalidixic acid, D. Nitrofurantoin
A: Choloroquine
Answer: A: Choloroquine 
Explanation: Ans. is 'a' i.e., Choloroquine