During the course of a ride on a roller coaster, what would be FALSE regarding your heart?

A. An increase in heart rate
B. A decrease in the slope of the pacemaker potential
C. An increase in the rate of cross-bridge cycling in ventricular muscle cells
D. An increase in the amount of Ca2+ entering cardiac muscle cells
E. A decrease in the duration of systole


Answer: B

Anatomy & Physiology

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Answer the following statement true (T) or false (F)

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