Answer to Question #260662 in Human Anatomy and Physiology for Dr.Aditya

Question

What would be the affect on Blood pressure and Heart rate when Nor Epinephrine, Epinephrine and Acetyl choline is given in the blood in :

• Low doses
• Moderate doses
• High doses.

Please state the reasons of your answer.

Answer 1

Norepinephrine promotes vasoconstriction, which is a narrowing of the blood vessels, and this increases blood pressure. Epinephrine increases the heart rate and blood sugar levels

Acetylcholine contracts smooth muscles, dilates blood vessels, increases bodily secretions, and slows heart rate.