This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Pharmacology, Subject name: Pharmacology
[{'content': 'Hemodialysis is useful in all of the following except: \nSelect and explain. \nA. Barbiturate poisoning, B. Methanol poisoning, C. Salicylate poisoning, D. Digoxin poisoning', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Salicylate poisoningDialysis will not remove drugs which have high Vda. Dialysis will not remove drugs which have high plasma protein bindingb. Digoxin, diazepam, organophosphates have high Vd.Drugs having high Vd are: (hemodialysis is ineffective)a. Dialysis--Diazepamb. Ko--Kerosene poisoningc. A--Amphetamined. V--Verapamile. 0--Organophosphorus, opioidsf. I--Imipramineg. uD--Digitalis', 'role': 'assistant'}]