<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 75 year-old gentleman presents to his general practitioner. He is currently being treated for hypertension and is on a multi-drug regimen. His current blood pressure is 180100. The physician would like to begin treatment with minoxidil or hydralazine. Which of the following side effects is associated with administration of these drugs?? A: Persistent cough, B: Systemic volume loss, C: Fetal renal toxicity, D: Reflex tachycardia, E: Cyanosis in extremities,  <response>: This is a clinical vignette about a 75 year old man with uncontrolled hypertension who is being considered for additional antihypertensive therapy with either minoxidil or hydralazine. The question is asking about potential side effects of these medications. Minoxidil can cause reflex tachycardia due to its vasodilatory effects. Hydralazine can also cause reflex tachycardia for the same reason. Fetal renal toxicity would not apply in this elderly gentleman. Persistent cough and cyanosis are not known side effects of these medications.D: Reflex tachycardia 