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Biology

NEET BiologyClass 11Electrocardiogram (ECG)MediumStatement based

Question 4 of 10

Examine the following statements about cardiac activity and the ECG.

  • Statement I: The sino-atrial node (SAN) can generate the maximum number of action potentials per minute and therefore acts as the pacemaker.
  • Statement II: The QRS complex of an ECG represents the repolarisation of the ventricles.

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