The two classes of adrenergic receptors are
A) alpha and beta.
B) splanchnic and terminal.
C) muscarinic and nicotinic.
D) nicotinic and cholinergic.
E) muscarinic and terminal.

Question

Quizplus · Accepted Answer

Adrenergic receptors, which respond to adrenaline (epinephrine) and noradrenaline (norepinephrine), are classified into two main types: alpha (α) and beta (β) receptors. These receptors mediate the sympathetic nervous system's responses, including effects on the heart, blood vessels, and smooth muscle, among others.

The Two Classes of Adrenergic Receptors Are