what-happens-when-the-norepinephrine-binds-to-alpha-adrenergic-receptors-on-smoo

Question

What happens when norepinephrine binds to alpha-adrenergic receptors on smooth muscle cells in blood vessel walls?

Accepted Answer

It can lead to vasoconstriction.

Answer

The smooth muscle relaxes.

Answer

The blood vessels widen.

Answer

The systemic blood pressure decreases.