Atropine's mode of action is to
A)Speed up the rate of sinus node firing and speed conduction through the AV node.
B)Speed impulse conduction through the bundle branches and AV node.
C)Slow the rate of conduction through the AV node and slow sinus node firing.
D)Speed sinus node firing and slow AV node conduction.

Question

Quizplus · Accepted Answer

Atropine works by blocking the action of the vagus nerve on the heart, which results in an increased heart rate by speeding up the rate of sinus node firing and conduction through the AV node.

Atropine's Mode of Action Is to