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
All of the following drugs can be used for intestinal ameobiasis except - 
Select and explain. 
A. Metronidazole, B. Chloroquine, C. Diloxanide furoate, D. Tinidazole
B: Chloroquine
Answer: B: Chloroquine 
Explanation: Ans. is 'b' i.e., Chloroquine