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Question: Answered & Verified by Expert
What does the QRS complex represent in an ECG?
BiologyBody Fluids and CirculationNEET
Options:
  • A The depolarisation of the atria
  • B The repolarisation of the atria
  • C The depolarisation of the ventricles
  • D The repolarisation of the ventricles
Solution:
1258 Upvotes Verified Answer
The correct answer is: The depolarisation of the ventricles
The QRS complex represents the depolarisation of the ventricles, which initiates the ventricular contraction.

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