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zalisa [80]
3 years ago
5

Which causes vasoconstriction? a. α-Adrenergic antagonist b. Calcium channel blocker c. Acetylcholine d. Norepinephrine

Biology
1 answer:
Softa [21]3 years ago
5 0

Answer: Option D) Norepinephrine

Explanation:

Norepinephrine, also known as noradrenaline acts as both a hormone and neurotransmitter.

Its effects is similar to epinephrine, in that during stress conditions epinephrine stimulates the heart to beat and pump blood faster, while norepinephrine helps to maintain blood pressure, causing the narrowing of the blood vessels, known as vasoconstriction.

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