Step I Insulin & Epinephrine.

[veganbythefjord]

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Beta 2 agonist on pancreas is stimulated by Epinephrine to release Insulin whereas alpha 2 stimulation by epi decreases insulin. So in a fight or flight situation, we want more glucose in the system correct? So does the increased epi stimulate the alpha 2 on pancreas to decrease insulin? So confused right now, could some one shed some light on this please? Thank you.

 

[watermelon master]

Epinephrine and norepinephrine is released from the adrenal medulla during a fight or flight situation

 

[aldol16]

The alpha2 effect usuallly dominates over the beta2 effect, i.e. it is stronger. In a fight-or-flight situation, you want to be making energy (i.e. glycogenolysis, gluconeogenesis) and using your energy, not storing it.