STANDARDZoology-Human Physiology
STANDARD Zoology Cardiovascular System MCQ Question
Type: MCQ-conceptual-Medium
The T-wave in an ECG represents
A
Depolarization of ventricles
B
Electrical excitation of atria
C
Beginning of systole
D
Return of the ventricles from excited state
Correct Answer
Option D
Detailed Explanation
T-wave in ECG marks as repolarization of ventricles which causes ventricular diastole. It lasts for 0.4 seconds.
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