The rhythm in which the SA node discharges impulses at a rate between 100 and 160 is called:
A) normal sinus rhythm.
B) sinus tachycardia.
C) sinus arrhythmia.
D) sinus bradycardia.

Question

Quizplus · Accepted Answer

Sinus tachycardia is characterized by a normal sinus rhythm with a faster than usual heart rate, typically between 100 and 160 beats per minute. This can be caused by various factors such as exercise, fever, pain, or stress.

The Rhythm in Which the SA Node Discharges Impulses at a Rate