- 1(current)
Q. No.The enzyme that activates fibrinogens in the blood is:
| 1. | Thromboplastin | 2. | Thrombokinase |
| 3. | Thrombin | 4. | Plasmin |
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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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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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Certain factors that can initiate coagulation of blood can be released by:
I. Platelets in the blood
II. Tissues at the site of injury
III. Liver
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
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To prevent eryhtroblastosis fetalis in future pregnancies:
| 1. | Anti-Rh Immunoglobulins must be given to Rh –ve mothers at the time of each delivery |
| 2. | Anti-Rh Immunoglobulins must be given to new born at the time of each delivery |
| 3. | Rh Antigens must be given to new born at the time of each delivery |
| 4. | Anti Antigens must be given to Rh –ve mothers at the time of each delivery |
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Coagulation of blood can be prevented by removal of which of the following in the blood?
| 1. | transferrin | 2. | iron |
| 3. | antibodies | 4. | calcium |
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| A | B | C | |
| 1. | Vessel contracts | Platelet plug formation | Fibrin clot formation |
| 2. | Vessel dilates | Platelet plug formation | Fibrin clot formation |
| 3. | Vessel contracts | Fibrin clot formation | Platelet plug formation |
| 4. | Vessel dilates | Fibrin clot formation | Platelet plug formation |
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- 1(current)
Q. No.
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