<prompt> A male patient presents with headache, profuse sweating and palpitations with a blood prssure of 180120 mmHg. The drug of choice would be -NifedipineLabetalolPrazocinPhenoxy benzamine  <response>: Answer- D. Phenoxy benzamineSymptoms of the patient suggests pheochromocytoma .The drug of choice for pheochromocytomas is phenoxybenzamine 