Q. No.The least common of WBCs in the human blood are:
1.
Eosinophils
2.
Lymphocytes
3.
Neutrophils
4.
Basophils
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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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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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