Your client has just been diagnosed with a dysrhythmia. The client asks you to explain normal sinus rhythm. What would you explain is the characteristic of normal sinus rhythm?
A) Heart rate between 60 and 150 beats/minute.
B) Impulse travels to the atrioventricular (AV) node in 0.15 to 0.5 second.
C) The ventricles depolarize in 0.5 second or less.
D) The sinoatrial (SA) node initiates the impulse.
D
Feedback:
The characteristics of normal sinus rhythm are heart rate between 60 and 100 beats/minute, the SA node initiates the impulse, the impulse travels to the AV node in 0.12 to 0.2 second, the ventricles depolarize in 0.12 seconds or less, and each impulse occurs regularly.
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