workbook Question and answers
already passed 2026/2027
normal sinus rhythm (NSR) - correct answer regular rhythm of the heart cycle stimulated by the SA node
(average rate of 60-100 beats/minute)
sinus bradycardia - correct answer <60 bpm
normal sinus rhythm
sinus tachycardia - correct answer >100 bpm
sinus arrhythmia - correct answer Irregular rhythm that varies with respiration,
All P waves are identical
considered normal
PVCs - correct answer regular rhythm except for premature beat
idioventricular rhythm - correct answer rate is <40
wide and bizarre QRS
no p wave or pr interval
call a code
v fib - correct answer no p wave
no pr interval
no QRS