Q. No.Which of the following is not represented on an ECG of a healthy individual?
1. Ventricular depolarization
2. Ventricular repolarization
3. Atrial depolarization
4. Atrial repolarization
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The enzyme that activates fibrinogens in the blood is:
| 1. | Thromboplastin | 2. | Thrombokinase |
| 3. | Thrombin | 4. | Plasmin |
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1. ventricles relax
2. ventricles contract
3. atria relax
4. atria contract
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Under normal physiological conditions, when compared to pulmonary circulation:
| 1. | the amount of blood circulated in systemic circulation is more |
| 2. | the amount of blood circulated in systemic circulation is less |
| 3. | the pressure of blood circulated in systemic circulation is more |
| 4. | the pressure of blood circulated in systemic circulation is less |
What would be the approximate volume of blood pumped by both ventricles under normal resting physiological conditions in a healthy human adult?
| 1. | 10 L | 2. | 8 L |
| 3. | 5 L | 4. | 2.5 L |
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The portal systems seen in humans include:
I: Hepatic portal system
II: Renal portal system
III: Hypothalamic Hypophyseal portal system
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
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When the heart muscle is suddenly damaged by an inadequate blood supply, the condition is called as:
| 1. | Heart failure | 2. | Heart block |
| 3. | Heart attack | 4. | Cardiac arrest |
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Passive filling accounts for about what percent of ventricular filling?
| 1. | 30 | 2. | 50 |
| 3. | 70 | 4. | 90 |
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Which of the following recordings of blood pressure in a healthy person will be considered as normal?
| 1. | 150/80 mmHg | 2. | 110/70 mmHg |
| 3. | 120/96 mmHg | 4. | 180/110 mmHg |
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The period of systole is represented on surface ECG as between:
1. Beginning of P wave and beginning of Q wave
2. End of S wave and beginning of T wave
3. Shortly after Q wave and end of the T wave
4. Two successive R waves
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