Multiple choice

The T-wave represents, which of the following events?

  1. Return of the ventricles from an excited to a normal state.

  2. Depolarisation of the atria.

  3. Depolarisation of the ventricles.

  4. Ventricular contraction.

  5. Excitation of the atria.
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A Correct answer
Explanation

The T-wave represents the return of the ventricles from an excited to a normal state (repolarisation). The end of the T-wave marks the end of systole.

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