Answer:
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When the SA node is not functioning, an electrocardiogram (ECG) will show: C. no P waves with a HR between 40-60 bpm.
<h3>What is an ECG?</h3>
ECG is an acronym for electrocardiogram and it can be defined as an instrument which is designed and developed for the measurement of the cardiorespiratory fitness of an individual at rest.
Generally, an electrocardiogram (ECG) will show no P waves with a heart rate (HR) between 40-60 beat per minute (bpm) when the SA node is not functioning properly.
Read more on cardiorespiratory fitness here: brainly.com/question/1018490
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Complete Question:
If the SA node is not functioning, an ECG will show ________.
a.) more P waves than QRS waves.
b.) higher P waves.
c.) no P waves with a HR between 40-60 bpm.
d.) no QRS waves.
Answer:
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