A cardiac care nurse is aware of factors that result in positive chronotropy. These factors would affect a patient's cardiac function in what way?
A) Exacerbating an existing dysrhythmia
B) Initiating a new dysrhythmia
C) Resolving ventricular tachycardia
D) Increasing the heart rate
Ans: D
Feedback:
Stimulation of the sympathetic system increases heart rate. This phenomenon is known as positive chronotropy. It does not influence dysrhythmias.
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