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Kaplan Qbank USMLE



Author3 Posts
  #1

Hi .. I have these questions .. if you have the answer thanks in advance! Most of them are stuff that I read that was contradicting first aid .. so now i'm confused.

1. Why is it hyperkalemia in renal failure? I thought it would cause the renin angiotensin aldosterone system to kick in and then i'd be hypokalemia.

2. For iatrogenic cushings, does ACTH increase or decrease?
(I know this is a path question too..)



  #2

1-due to acidosis?
2-decrease

  #3

also probably filtration fraction decreases, n m not sure
but renin-angio not increased in all types of failure







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