An Rh –ve person, when exposed to Rh +ve blood:
1. | will form antibodies against the Rh antigen |
2. | will be unaffected |
3. | will form antibodies against the Rh antigen only on second exposure |
4. | will receive anti Rh antibodies from the donor |
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Identify the incorrectly matched pair:
1. | Plasma protein | – | 6 to 8 % |
2. | Formed elements | – | 55% of the blood |
3. | Hemoglobin | – | 12 to 16 gm in 100 ml of blood |
4. | Platelets | – | 150000 to 350000 mm-3 |
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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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