The sequence of opening (O) and closing (C) of heart –valves are:

(1) AV valves open before the closure of SL or semilunar valves.

(2) AV valves close before the closure of SL or semilunar valves.

(3) AV valves open after the closure of SL or semilunar valves.

(4) AV valves close with closure of SL or semilunar valves.

Subtopic:  Human Heart: Cardiac Cycle |
 52%
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The machine taking the reading of electrical activity of heart is known as

(1) Electrocardiogram

(2) Electrocardiograph

(3) MRI

(4) Biopsy

Subtopic:  ECG & Coronary Artery Disease |
 75%
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The results of ECG are known as

(1) Electrocardiogram

(2) Electrocardiograph

(3) MRI

(4) Biopsy

Subtopic:  ECG & Coronary Artery Disease |
 78%
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The standard ECG is obtained by connecting the patient to the machine with how many leads?

(1) 4

(2) 3

(3) 1

(4) 2

Subtopic:  ECG & Coronary Artery Disease |
 83%
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If one wants to analyse the detailed cardiac activity, the multiple leads are attached to–

(1) Wrist and arms

(2) Abdomen

(3) Chest region

(4) all the fingers

Subtopic:  ECG & Coronary Artery Disease |
 69%
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What does the QRS complex represent in ECG?

(1) Atrial Diastole

(2) Atrial systole

(3) ventricular systole

(4) Joint Diastole

Subtopic:  ECG & Coronary Artery Disease |
 91%
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What does the T wave represents in ECG?

(1) Atrial Diastole

(2) Atrial systole

(3) ventricular Diastole

(4) Joint Diastole

Subtopic:  ECG & Coronary Artery Disease |
 77%
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What does the depolarization of ventricles initiate?

(1) Atrial Diastole

(2) Atrial systole

(3) ventricular systole

(4) Joint Diastole

Subtopic:  Rhythmic Excitation of Human Heart: Part 1 |
 73%
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By counting number of QRS complex, one may get which information?

(1) Rate of breathing

(2) cardiac output

(3) Heart beat rate

(4) stroke volume

Subtopic:  ECG & Coronary Artery Disease |
 78%
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The deviation from the characteristic ECG indicates a possible abnormality; this information can be utilized in which field of Biology?

(1) Clinical Biology

(2) Biotechnology

(3) Molecular Biology

(4) Pedigree analysis

Subtopic:  ECG & Coronary Artery Disease |
 87%
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