DAT DAT Question of the Day – High Yield Bio

This forum made possible through the generous support of SDN members, donors, and sponsors. Thank you.
DAT Question of the Day – High Yield Bio


The release of epinephrine from the chromaffin granules of the adrenal medulla into the bloodstream in response to neural stimulation is mediated by which of the following?


A) Acetylcholine
B) GABA
C) Cortisol
D) Dopamine
E) Serotonin


Drop your answer below, or check the spoiler for an explanation!


Spoiler:
Answer:
A) Acetylcholine
Acetylcholine binds to nicotinic receptors on chromaffin cells, triggering the release of epinephrine (“adrenaline rush”) for the fight-or-flight response.

Want more free DAT tips? Join our Facebook Study Group:
facebook.com/groups/DATDestroyer

1.png
2.png
 
Top