In the heart,activation of these receptors increases heart rate. A)$\alpha$₁ B)$\alpha$₂ C)$\beta$₁ D)$\beta$₂

Question

Quizplus · Accepted Answer

Beta-adrenergic receptors are activated by adrenaline and noradrenaline, which result in an increase in heart rate. Choice C has the correct symbol for beta (β) receptors, making it the best choice for this statement. Choices A, B, and D have the symbol for alpha (α) receptors, which do not play a significant role in heart rate regulation.

In the Heart,activation of These Receptors Increases Heart Rate α\alphaα 1 B)

In the Heart,activation of These Receptors Increases Heart Rate $\alpha$ ₁
B)