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A patient is receiving a class II antiarrhythmic agent. Review the following drug actions, and ...

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A patient is receiving a class II antiarrhythmic agent. Review the following drug actions, and ...

A patient is receiving a class II antiarrhythmic agent. Review the following drug actions, and choose the one that is applicable to this group of medications.

a. They slow the rate of rise of the action potential of the cardiac cell.
b. They shorten the duration of the action potential of the cardiac cell.
c. They antagonize sympathetic nervous stimulation of cardiac beta receptors.
d. They prolong the rise of the action potential and slow repolarization.

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