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

a)

I, II, III and IV

b)

I, III, IV and V

c)

II, III, IV and V

d)

I, II, IV and V

Question

Question ID - 3459 :-

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

a)

I, II, III and IV

b)

I, III, IV and V

c)

II, III, IV and V

d)

I, II, IV and V

1 Answer

5876 Votes

score 3537 · Accepted Answer

Answer Key : (b) -

(b)

Electrocardiograph is not the recording of electrical changes during the cardiac cycle. Rather, it is the graph of electrical activity of the heart

Cardiac output is determined by
a)	Heart rate	b)	Stroke volume	c)	Blood flow	d)	Both (a) and (b)