Sympathetic Stimulation of the Heart Will

Question

Sympathetic stimulation of the heart will
A)increase the rate of diastolic depolarization.
B)increase conduction rate.
C)increase the strength of contraction.
D)All apply.

Accepted Answer

Sympathetic stimulation of the heart will increase the rate of diastolic depolarization (A), increase conduction rate (B), and increase the strength of contraction (C), as it enhances the influx of calcium ions in the cardiac myocytes. Therefore, all of the options apply.