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NEET UG BIOLOGY MCQ: BODY FLUIDS AND CIRCULATION
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Which of the following sentences is correct? I. ECG is of a great clinical significance
II. Electrocardiograph is the recording of electrical changes during the cardiac cycle
III. To obtain a standard ECG, a patient is connected to the machine with 3 electrical electrodes (one to each wrist and to the left ankle)
IV. Normal activities of the heart are regulated intrinsically
V. Electrocardiogram is the electrical activity of heart
The option with correct statements is
II. Electrocardiograph is the recording of electrical changes during the cardiac cycle
III. To obtain a standard ECG, a patient is connected to the machine with 3 electrical electrodes (one to each wrist and to the left ankle)
IV. Normal activities of the heart are regulated intrinsically
V. Electrocardiogram is the electrical activity of heart
The option with correct statements is
View answer and explanation
Correct option: B
I, III, IV and V
Option D (I, II, IV and V) is correct because statements I, II, IV, and V are accurate descriptions of ECG and heart function, while statement III is incorrect.
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