Each of these statements is true except one.Identify the exception. A) Monoamine oxidase is the main enzyme responsible for the degradation of catecholamines. B) β₁ receptors respond equally well to both epinephrine and norepinephrine. C) β₂ receptors are not innervated by sympathetic neurons, so are more sensitive to epinephrine, delivered via the blood. D) Activation of α receptors opens Na⁺ channels in the membrane.

Question

Quizplus · Accepted Answer

Activation of α receptors opens Ca2+ channels in the membrane, not Na+ channels.

Each of These Statements Is True Except One