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Kaplan Qbank USMLE



Author7 Posts
  #1

The rate of bile secretion by hepatocytes is propotional to

A secretin secretion

B hepative vein concentration of Bile salts

C CCK secretion

D Fatty acids in the doudenum

E portal vein concentration of bile salts salt


Dont forget to explain...What happened to palani?




  #2

I'M SHOCKED noone answered ?

  #3

Scretin scretion ??




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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #4

Its good you ttried, toughtquestion. Hepatic bile secretion is equivalent to the concentration of bile salts in the portal vein .I made the question up myself so it was not written as well as a kaplan or UW Q but the source is kaplans Med essentials which clealy states this Fact.

Edited by Ancylostoma on 01/31/07 - 11:47 PM

  #5

I think you mean inversely proportional to portal vein bile salt concentration, don't you? It's a feedback inhibition mechanism that inhibits the initial reaction catalysed by 7-a-hydroxylase in the metabolism of cholesterol.

  #6

Hepatic bile salt secretion is directly proportional to hepaitic portal vein concentration (kaplan NOtes, MED essentials too)

  #7

this qs shouldhave been bile salt secretion is dependent on

answer sticking out tongueortal vein concen of bile salts










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