<prompt> A 5-yr-old boy presents with pubic hair development. He is tall and has increased pigmentation of his genitalia and phallic enlargement. Blood pressure is 13090 mm Hg. Measurement of which of the following hormones would be most likely to be diagnostic?Increase 17a-HydroxyprogesteroneIncrease CoisolIncrease aldosteroneIncrease 11 deoxycoisol  <response>: Presence of Precocious pubey in a male child and hypeension BP of 13080 in a 5 year old child is considered hypeension suggests a diagnosis of congenital adrenal hyperplasia due to 17a- Hydroxylase deficiency. In this condition there is decreased synthesis of both coisol and sex steroids with a resultant increase in secretion of mineralocoicoid Deoxycoisol. 