16 Questions
What is the main factor that predisposes to thrombosis based on Virchow's triad?
Endothelial injury
Which of the following is NOT a cause of endothelial injury leading to thrombosis?
Cardiac failure
What is the major factor contributing to thrombosis in venous circulation?
Stasis
Which of the following is a predisposing genetic factor for thrombosis?
Deficiency of antithrombin
What type of arterial dilation can lead to alteration in blood flow and promote thrombosis?
An aneurysm
Which factor related to blood platelets can increase the risk of thrombosis?
Increased platelet count and adhesiveness
What differentiates arterial thrombi from venous thrombi in terms of color?
Arterial thrombi are white (pale) while venous thrombi are red
What is the main composition of arterial thrombi?
Mainly platelets and fibrin with few RBCs
What encourages the development of venous thrombi?
Slow blood flow in veins
Where do arterial thrombi typically develop?
Coronary arteries
Which component is more abundant in venous thrombi compared to arterial thrombi?
Red blood cells
What is the clinical finding commonly seen in deep venous thrombosis?
Edema of ankle and foot
In venous thrombosis, what can happen if a thrombus lodges in too-small vessels?
Complete or partial occlusion leading to infarction
What is the potential outcome when a thrombus gets detached and carried away by blood?
Embolism
What type of venous thrombosis occurs in about 90% of cases involving the lower extremities?
Deep vein thrombosis (DVT)
What is the most likely cause of an embolism originating from a dislodged thrombus?
Thromboembolus
This quiz covers the objective of thrombosis including definition, causes, types, microscopic picture, and fate. It also discusses embolism, defining it and outlining its types. Topics such as formation of blood clots, predisposing factors, and Virchow’s triad are explored.
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