A physician finds that a 16- year- old male patient, who has a very high- pitched voice and underdeveloped teste has abnormally low levels of testosterone. What structures) might be the reason that this patient is producing su low level of testosterone? 1) gonads 2) pituitary gland 3) adrenal gland 4) hypothalamus 5) thyroid gland
A) #1 only B) #1 and #2 only C) #1 and #2 and #3 D) #1 and #2 and #4 E) #1 and #3 and #5