Q. No.The enzyme that activates fibrinogens in the blood is:
1.
Thromboplastin
2.
Thrombokinase
3.
Thrombin
4.
Plasmin
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Blood enters the heart because muscles of the:
| 1. | ventricles relax | 2. | ventricles contract |
| 3. | atria relax | 4. | atria contract |
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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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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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Which of the following can be called as a ‘cascade’ process?
1. Micturition reflex
2. Formation of cross bridges in skeletal muscle contraction
3. Coagulation of blood
4. Regulation of respiration
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The deoxygenated blood from the cardiac muscles is returned to the right atrium by:
| 1. coronary sinus | 2. pre-caval vein |
| 3. post-caval vein | 4. pulmonary veins |
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Identify the incorrectly matched pair:
1. Average duration of a cardiac cycle: 0.8 sec
2. Stroke volume of each ventricle: 120 ml
3. Highest normal systolic blood pressure: 140 mm Hg
4. Highest normal diastolic blood pressure: 90 mm Hg
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To begin the blood clot formation cascade, the enzyme complex required is:
| 1. | Thromboxane A2 | 2. | Thrombin |
| 3. | Thrombokinase | 4. | Heparin |
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