A nurse assesses the heart after acetylcholine because the effect of acetylcholine on the heart is to:
A) Decrease the refractory period
B) Increase calcium influx
C) Increase the strength of myocardial contraction
D) Decrease the heart rate

Question

Quizplus · Accepted Answer

Acetylcholine causes decreased heart rate and slows conduction through the atrioventricular (AV)node.
Acetylcholine causes decreased heart rate and slows conduction through the AV node; it does not decrease the refractory period.
It decreases calcium influx.
Acetylcholine causes decreased heart rate and slows conduction through the AV node; it does not increase the strength of myocardial contraction.

A Nurse Assesses the Heart After Acetylcholine Because the Effect