This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'A = ACE inhibitor, B = beta blocker, C = calcium channel blocker, D= diuretics. For elderly with hypeension antihypeensive drug of choice is ? \nSelect and explain. \nA. A or D, B. A or B, C. A or C, D. C or D', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., C or D Pharmacological treatment of hypeension Indications of drug therapy (the British hypeension society guidelines). When sustained BP exceeds 160/100 mmHg or. When BP is in the range of 140-159 / 90-99 mmHg and there is target organ damage or cardiovascular disease. For diabetics when BP exceeds 140/90 mmHg. The optimal target is to lower BP to or below 140/85 mmHg in nondiabetics and 140/80 mmHg in diabetics (WHO target is 130/85 mmHg). Drug therapy A simple stepped AB/CD regimen is used.", 'role': 'assistant'}]