Q. No.Which of the following are most closely associated with blood clotting?
1. red blood cells
2. platelets
3. neutrophils
4. basophils
1. red blood cells
2. platelets
3. neutrophils
4. basophils
Subtopic: Blood: Blood Clotting |
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Level 1: 80%+
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Thrombokinase:
1. does not allow blood to clot inside the blood vessels
2. converts inactive prothrombin into active thrombin
3. acts as a thrombolytic
4. is required for formation of thrombocytes
Subtopic: Blood: Blood Clotting |
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Level 1: 80%+
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Erythroblastosis foetalis occurs when an Rh-negative mother carries an Rh-positive foetus. What happens if this condition is left untreated in a subsequent pregnancy?
| 1. | The foetus may suffer from severe anaemia and jaundice due to maternal Rh antibodies attacking fetal RBCs. |
| 2. | The mother’s immune system remains unresponsive to Rh-positive RBCs in subsequent pregnancies. |
| 3. | The foetus develops an overproduction of RBCs to counteract maternal antibodies. |
| 4. | The condition only affects the first pregnancy, with no impact on later pregnancies. |
Subtopic: Blood: Blood Clotting |
95%
Level 1: 80%+
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Which one of the following plasma proteins is involved in the coagulation of blood?
1. Serum amylase
2. A globulin
3. Fibrinogen
4. Albumin
Subtopic: Blood: Blood Clotting |
94%
Level 1: 80%+
AIPMT - 2011
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What is the function of thrombokinase in blood clotting?
| 1. | Thrombokinase directly converts fibrinogen into fibrin, which forms a clot. |
| 2. | Thrombokinase is an enzyme complex that converts prothrombin into thrombin, which subsequently converts fibrinogen into fibrin. |
| 3. | Thrombokinase prevents clot formation by inhibiting thrombin activity. |
| 4. | Thrombokinase dissolves clots by breaking down fibrin into smaller fragments. |
Subtopic: Blood: Blood Clotting |
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Level 1: 80%+
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Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
1. Erythrocytes
2. Leucocytes
3. Neutrophils
4. Thrombocytes
Subtopic: Blood: Blood Clotting |
93%
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An enzyme complex required to initiate the process of coagulation or clotting in response to an injury or trauma is:
1. Plasmin
2. Fibrinolysis
3. Thrombokinase
4. Streptokinase
1. Plasmin
2. Fibrinolysis
3. Thrombokinase
4. Streptokinase
Subtopic: Blood: Blood Clotting |
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Match the column-I and coloumn -II and select the correct option
(a) (b) (c) (d)
1. (III) (IV) (II) (I)
2. (III) (I) (IV) (II)
3. (IV) (I) (III) (II)
4. (I) (IV) (II) (III)
| Column-I | Column -II |
| (a) Eosinophils | (I) Transport of gases |
| (b) Erythrocytes | (II) Clotting of blood |
| (c) Neutrophils | (III) Related with allergic reactions |
| (d) Platelets | (IV) Phagocytosis |
(a) (b) (c) (d)
1. (III) (IV) (II) (I)
2. (III) (I) (IV) (II)
3. (IV) (I) (III) (II)
4. (I) (IV) (II) (III)
Subtopic: Blood: White Blood Cells | Blood: Blood Clotting | Blood: General Description & RBC |
92%
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___________are cell fragments rather than true cells.
Select the option which fills the blank correctly
1. Erythrocytes
2. Granulocytes
3. Thrombocytes
4. Agranulocytes
Select the option which fills the blank correctly
1. Erythrocytes
2. Granulocytes
3. Thrombocytes
4. Agranulocytes
Subtopic: Blood: Blood Clotting |
90%
Level 1: 80%+
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Clotting of blood involves:
1. Hemolysis of RBCs
2. Denaturation of albumins by thrombin
3. Inactivation of plasma clotting factors
4. Change of fibrinogen to fibrin by thrombin
Subtopic: Blood: Blood Clotting |
90%
Level 1: 80%+
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