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Which of the choices below is NOT a source of blood glucose during the postabsorptive state? Question 6 options: 1) glycogenolysis in the liver 2) lipolysis in adipose tissues and the liver 3) absorption of glucose from the GI tract 4) catabolism of cellular protein

Respuesta :

3) option is correct

Explanation:

  • Post absorptive state energy metabolism is mostly catabolic which means there is breakdown of macromolecules to release glucose
  • Fatty acids are the primary energy source (except in brain)
  • Post absorptive state is largely caused by lack of insulin and also utilizes glucagon, but stress hormones (cortisol and epinephrine) can fill in for glucagon
  • Glucagon mainly affects liver
  • So, absorption of glucose from the GI tract is not a source of blood glucose during the post absorptive state

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