Consider the two statements and use the following key to choose your answer.
-(1) rate of muscle contraction when beta adrenergic receptors of the heart are stimulated
(2) rate of muscle contraction when beta adrenergic receptors of intestinal muscle are stimulated
A)Choose this if the first item is greater than the second item.
B)Choose this if the first item is less than the second item.
C)Choose this if both items are equal or nearly equal.

Question

Quizplus · Accepted Answer

Stimulation of beta adrenergic receptors in the heart increases the rate of muscle contraction (positive chronotropic effect), whereas stimulation of beta adrenergic receptors in intestinal muscles generally leads to relaxation, not increased contraction.

Consider the Two Statements and Use the Following Key to Choose