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Questions and Answers
Which of the following is the most common cause of acquired platelet dysfunction?
Which of the following is the most common cause of acquired platelet dysfunction?
- Disseminated intravascular coagulation
- Aspirin (correct)
- Heparin
- Thrombotic thrombocytopenic purpura
What is the most likely cause of prolonged Prothrombin Time (PT) in a patient with liver disease?
What is the most likely cause of prolonged Prothrombin Time (PT) in a patient with liver disease?
- Excessive pooling of platelets in an enlarged spleen
- Impaired synthesis of coagulation factors (correct)
- Formation of autoantibodies against coagulation proteins
- Increased consumption of coagulation factors
Which coagulation factor deficiency is characteristic of haemophilia A?
Which coagulation factor deficiency is characteristic of haemophilia A?
- Deficiency of factor II
- Deficiency of factor VIII (correct)
- Deficiency of factor VII
- Deficiency of factor IX
What is responsible for the formation of platelet plug in primary hemostasis?
What is responsible for the formation of platelet plug in primary hemostasis?
What is the cause of Heparin-Induced Thrombocytopenia (HIT)?
What is the cause of Heparin-Induced Thrombocytopenia (HIT)?
What is the primary function of vasoconstriction in hemostasis?
What is the primary function of vasoconstriction in hemostasis?
What enzyme converts fibrinogen into insoluble fibrin during clot formation?
What enzyme converts fibrinogen into insoluble fibrin during clot formation?
Which disorder is characterized by fluctuating neurological signs and renal impairment?
Which disorder is characterized by fluctuating neurological signs and renal impairment?
Which test is sensitive to factors I, II, VII, V, and X?
Which test is sensitive to factors I, II, VII, V, and X?
What is the cause of Disseminated Intravascular Coagulation(DIC)?
What is the cause of Disseminated Intravascular Coagulation(DIC)?
What is the antidote for warfarin?
What is the antidote for warfarin?
What does INR target value for warfarin therapy indicate?
What does INR target value for warfarin therapy indicate?
Which of the following is the most frequent cause of an isolated thrombocytopenia without anaemia or neutropenia?
Which of the following is the most frequent cause of an isolated thrombocytopenia without anaemia or neutropenia?
Which of the following is a relatively common disorder presenting insidiously in adults, most frequently in women aged 15-50 years?
Which of the following is a relatively common disorder presenting insidiously in adults, most frequently in women aged 15-50 years?
Which of the following platelet abnormalities often follows a viral infection in children?
Which of the following platelet abnormalities often follows a viral infection in children?
What is the commonest cause of thrombocytopenia due to decreased production of platelets?
What is the commonest cause of thrombocytopenia due to decreased production of platelets?
Which disorder is associated with other autoimmune diseases, particularly systemic lupus erythematosus, and presents insidiously in adults?
Which disorder is associated with other autoimmune diseases, particularly systemic lupus erythematosus, and presents insidiously in adults?
Which condition is a rare complication of blood transfusion?
Which condition is a rare complication of blood transfusion?
In which disorder is the autoantibody produced usually IgG directed against antigens on the platelet membrane?
In which disorder is the autoantibody produced usually IgG directed against antigens on the platelet membrane?
What type of autoantibody is usually produced in idiopathic thrombocytopenic purpura (ITP)?
What type of autoantibody is usually produced in idiopathic thrombocytopenic purpura (ITP)?
What is a rare complication of blood transfusion?
What is a rare complication of blood transfusion?
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