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Kaplan Qbank USMLE



Author3 Posts
  #1

A 22 year old woman marathon runer participates in a study in which bone density test is measured and is found to have decreased bone density. What is the most likely cause?
a) calcitonin def.
b) cortisol def
c) estrogen def
d) GH def
e) insulin def
f) PTH def
g) PTH excess
h) thyroid def
k) thyroid hormone excess?
Please, any help?

  #2

i just read that women who exercise intensively produce less estrogen so thats prob why


  #3

ESTROGEN DEFICIENCY,

similar to the mechanism of amenorrhea in anorexia,GnRH supression,less FSH and LH and estrogen








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