<prompt> Forced dieresis with acidification or alkalinization of urine is a common method for elimination of ceain poisons drugs from the body. The elimination of which of the following drugs is commonly enhanced by alkaline dieresisAmphetaminesPhenobarbitonePhencyclidineTheophylline  <response>: B i.e. Phenobarbitone - Hemodialysis is not useful in copper sulfate, Kerosine oil, benzodiazepine, gganophosphate and digitalis poisoningQ. Mn C-Oil BORD Where hemodialysis is indicated in aspirin salicylates, barbiturates phenobarbitone, chloral hydrade, methyl ethyl alcohol ie methanol ethanol, ethylene glycol and theophyllineQ. Charcol hemoperfusion is indicated in barbiturate phenobarbitoneQ, carbamazepine and theophylline. - Multiple dose of activated charcoal to increase elimination by interrupting entero-enteric and entero-hepatic circulation is indicated in life threatening over dose with barbiturates phenobarbitone, carbamazapine, theophylline, dapsone and quinineQ. - Forced alkaline dieresis ie alkalinization of urine is indicated in phenobarbitone and salicylates eg aspirinQ; whereas acid dieresis is indicated in amphetamine, phencyclidine cocaine overdoseQ and saline diuresis in alcohol. - Most effective rapid method of reducing plasma K level in hyperkalemia is hemodialysisQ reserved for life threatening hyperkalemia unresponsive to conservative methods, in patients with renal failure. Peritoneal dialysis also works but is only 20 as effective as hemodialysis. 