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WorksheetsThrombosis and Clotting Quiz
Total questions: 20
Worksheet time: 10mins
Thrombosis is defined as
Clot formation after death
Formation of solid mass in circulation during life
Hemorrhage into tissues
Embolus in vessel
Virchow triad includes all EXCEPT
Endothelial injury
Abnormal blood flow
Hypercoagulability
Inflammation
Most important predisposing factor for arterial thrombosis is
Hypercoagulability
Stasis
Endothelial injury
Hypotension
Venous thrombosis is commonly associated with
High shear stress
Endothelial denudation
Stasis of blood flow
Atherosclerosis
Lines of Zahn indicate
Postmortem clot
Antemortem thrombus
Fibrinolysis
Hemorrhage
White thrombus is rich in
Red cells
Fibrin and platelets
Plasma only
Leukocytes
Red thrombus is commonly seen in
Arteries
Heart valves
Veins
Capillaries
Fate of thrombus includes all EXCEPT
Propagation
Embolization
Dissolution
Calcification
Organization of thrombus results in
Complete lysis
Recanalization
Hemorrhage
Necrosis
Most common site of deep vein thrombosis is
Upper limb veins
Portal vein
Deep veins of leg
Cerebral veins
Major risk of deep vein thrombosis is
Gangrene
Varicose veins
Pulmonary embolism
Edema
Phlebothrombosis refers to
Inflammatory thrombosis
Infective thrombosis
Thrombosis without inflammation
Arterial clot
Antemortem clot is usually
Soft and gelatinous
Dry and friable
Attached to vessel wall
Not attached to vessel wall
Postmortem clot is characterized by
Lines of Zahn
Attachment to vessel wall
Chicken fat appearance
Fibrin strands
Hypercoagulable state can be inherited due to
Protein C deficiency
Atherosclerosis
Hypertension
Diabetes mellitus
Acquired hypercoagulable state is seen in
Factor V Leiden mutation
Antithrombin III deficiency
Prolonged immobilization
Hemophilia
Endothelial functions include all EXCEPT
Antithrombotic activity
Prothrombotic activity
Regulation of vascular tone
Antibody production
Nitric oxide produced by endothelium causes
Vasoconstriction
Platelet aggregation
Vasodilation
Thrombosis
Prostacyclin released by endothelium causes
Platelet aggregation
Vasoconstriction
Platelet inhibition and vasodilation
Fibrinolysis
Tissue factor expressed by endothelium promotes
Anticoagulation
Fibrinolysis
Coagulation
Vasodilation
