Question

The following diagram is a depiction of a normal ECG. Which region represents a wave of excitation of passing through the ventricles?
(a) A
(b) B
(c) C
(d) D
​

Answer 1

Answer:

Option B

The q-r-s complex

resembles the contraction or excitation of ventricles during cardiac cycle .

Explanation:

The B position in diagram shows the ventricular depolarization.

Answer 2

Explanation:

option B ia correct

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