Q. No.When anti B antibodies are present in the plasma and A antigens on the surface of RBCs of a person, her blood group can be:
1. A and AB
2. Only A
3. Only B
4. O
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Inter-atrial septum in the human heart is:
| 1. a thin muscular wall | 2. a thick muscular wall |
| 3. a thin membranous wall | 4. a thick membranous wall |
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Which of the following would not be normal in a healthy human being?
1. A cells/blood ratio of 45%
2. A plasma albumin concentration of 4%
3. An RBC count of 5.2 million mm-3
4. A hemoglobin level of 15 gram per liter
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The second heart sound [dub] is associated with simultaneous closure of:
| 1. | Right AV and pulmonary semilunar valve |
| 2. | Left AV and aortic semilunar valve |
| 3. | Right and left AV valves |
| 4. | Right and left semilunar valves |
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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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