A member asked:

Sometimes before i take a test i start to feel slightly nauseous. what can help this? one time i took finals i was sick the whole time

A doctor has provided 1 answer

Stress related?: The vomiting reflex is controlled by two units in the brain medulla--one receives nerve impulses from the GI tract, the other is a chemical receptor. Both have nerve connections to not only the GI tract (pharynx, mesenteric vessels, bile ducts) but also from brain corticobulbar areas that mediate smells, sights, ; taste. Vomiting apparatus responds to a variety of GI ; brain inputs like stress.

Answered 6/10/2014

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