This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'Hypeension with androgenisation of a female child is a feature of congenital adrenal hyperplasia due to deficiency of- \nSelect and explain. \nA. C-21 hydroxylase, B. C-11 hydroxylase, C. C-17 hydroxylase, D. Desmolaie', 'role': 'user'}, {'content': 'Answer: B \nExplanation: with hypeensive form of CAH due to CYP11B1 deficiency, 11- delay coicosterone and 11- deoxycoisol accumulate. Diagnosis confirmed by demonstrating increased levels of 11- deoxycoisol in blood ( Harrison 17 pg 2267)', 'role': 'assistant'}]