<prompt> Hemodialysis is useful in all of the following except:Barbiturate poisoningMethanol poisoningSalicylate poisoningDigoxin poisoning  <response>: 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 ineffectivea. Dialysis--Diazepamb. Ko--Kerosene poisoningc. A--Amphetamined. V--Verapamile. 0--Organophosphorus, opioidsf. I--Imipramineg. uD--Digitalis 