Zoology-Heart & Circulation
NEET Zoology Heart & Circulation MCQ Question
Type: MCQ-fact-Easy-Class 11
What does the P-wave in an ECG represent?
A
Atrial depolarisation
B
Ventricular contraction
C
Atrial contraction
D
Ventricular depolarisation
Correct Answer
Option A
Detailed Explanation
The P-wave represents the electrical excitation (or depolarisation) of the atria, which leads to the contraction of both the atria.
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