Q. No.What would be true for the white blood cell shown in the given diagram?
1. They differentiate into phagocytic cells
2. They secrete histamine and heparin in the blood
3. They are responsible for providing adaptive immunity in vertebrates
4. Their number is increased in acute bacterial infections
2. They secrete histamine and heparin in the blood
3. They are responsible for providing adaptive immunity in vertebrates
4. Their number is increased in acute bacterial infections
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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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