NEET Biology question
Match the following columns.
| Column-I | Column-II | |---|---| | (A) P | (1) Electrical excitation of atria | | (B) QRS | (2) Repolarisation of ventricles | | (C) T | (3) Depolarisation of ventricles |
Answer: (A)
Solution
In an ECG, the P wave represents electrical excitation (depolarisation) of the atria (A-1), the QRS complex represents
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