The T-wave in an ECG represents the return of the ventricles from excited to normal state. This process is called:
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Correct answer: Repolarisation
Repolarisation is the process where the electrical state of ventricular muscle cells returns to the resting phase after contraction. The T-wave in an ECG specifically marks the repolarisation of the ventricles.
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More Human Heart: Structure and Working questions
- Which chamber of the heart has the thickest muscular wall?
- The double-walled membranous bag that encloses the heart and contains a fluid to reduce friction is called:
- Which of the following valves prevents the backflow of blood from the right ventricle into the right atrium?
- The 'Pacemaker' of the human heart is located in which chamber?
- Which nodal tissue is responsible for receiving impulses from the SAN and delaying them slightly before passing them to the ventricles?
- During a cardiac cycle, the volume of blood pumped out by each ventricle per minute is called: