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Biology
Given below is the ECG of a normal human. Which one of its components in humans is correctly interpreted below? <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-evrcbiacmewknlfz.jpg />
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Q. Given below is the ECG of a normal human. Which one of its components in humans is correctly interpreted below?
NTA Abhyas
NTA Abhyas 2022
A
Complex QRS - One complete Pulse.
B
Peak T - Initiation of total cardiac contraction.
C
Peak P and Peak R together - Systolic and diastolic blood pressures.
D
Peak P - Initiation of left atrial contraction only.
Solution:
The given diagram represents ECG. The
P is the atrial systole. This also depicts the contraction pulse.
QRS complex represents ventricular depolarization. This completes one pulse. This complex represents the ventricular systole.
T is the recovery of the ventricles. This represents complete repolarisation.
