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': "Which of the following statements regarding aceinhibitors is true ? \nSelect and explain. \nA. These conve angiotensinogen to angiotensinaEUR', B. Omission of prior diuretic dose decreases the risk of postural hypotension, C. Lisinopril is shoer acting the enalapril, D. These are contra-indicated in diabetic patients", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Omission of prior diuretic dose decreases the risk of postural hypotension', 'role': 'assistant'}]