The _____ phase of the action potential in _____ cells is due to a _____.
A)rising, autorhythmic cells, rapid Ca₂₊ influx
B)rising, contractile cells, rapid Na+ influx
C)plateau, contractile cells, slow Ca₂₊ influx
D)All of the above correctly complete the sentence.
E)Only b and c correctly complete the sentence.

Question

Quizplus · Accepted Answer

The rising phase of the action potential in contractile cells is due to a rapid Na+ influx, while the plateau phase is due to a slow Ca2+ influx. Autorhythmic cells have a different type of action potential that is not dependent on Ca2+ influx.

The _____ Phase of the Action Potential in _____ Cells

The _ Phase of the Action Potential in _ Cells