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NBME 23 Answers

nbme23/Block 4/Question#49

A 15-year-old boy is brought to the physician for a ...

Testosterone

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Androgens cause acne. Testosterone is a better answer than Androstanediol b/c the Testosterone is associated with puberty, Androstanediol is more associated with the adrenal glands.

meningitis  I chose Testosterone but I almost chose GnRH because it is surged when starting puberty and therefore increases everything downstream. +1  
temmy  When answering the question, i thought to myself that if GnRH is correct, LH will be too cos GnRH stimulates the Leydig cells via LH to release testosterone. That left testosterone as the best answer because it had the most direct effect. +1  
goaiable  GnRH and LH are increased in a pulsatile fashion at the onset of puberty, so idk if that constitutes as the "rapid increase" that this question is asking for. Tripped me up also. +