Question

Which of the following waves represent the excitation of the atria?

• A. P-wave
• B. QRS complex
• C. T-wave
• D. ST-segment

Answer 1

Answer:

A. P-wave

• The P-wave represents the electrical excitation of depolarisation of the atria which leads to the contraction of both the atria.

• The T-wave represents the repolarisation of the ventricles.