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Question: Answered & Verified by Expert
In a standard ECG, which one of the following is the correct representation of the respective activity of the human heart?
BiologyBody Fluids and CirculationNEET
Options:
  • A S - start of systole
  • B T - end of diastole
  • C P - depolarisation of the atria
  • D R - repolarisation of ventricles
Solution:
2073 Upvotes Verified Answer
The correct answer is: P - depolarisation of the atria
In a standard ECG, the P-wave is a small upward wave that indicates the depolarization of the atria. This is caused by the activation of the SA node.

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