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Consequences of Thrombosis and Embolus

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Questions and Answers

What is the main factor that determines the effects of an embolus?

The tissue or organ supplied by the blocked vessel (correct)

The size of the vessel it originated from

The speed of blood flow in the affected vessel

The site where it originated

What is the most common source of pulmonary embolism?

Tumour fragments

Fat embolism

Deep vein thrombosis (correct)

Deep artery thrombosis

What is the characteristic of a pulmonary thromboembolus in terms of its shape?

It has the shape of the vessel in which it was formed (correct)

It has a rectangular shape

It has a circular shape

It has a spiral shape

What is the clinical effect of a small embolus?

Pulmonary hypertension Signup and view all the answers

What is the primary consequence of a systemic arterial embolus?

Ischaemia or infarction Signup and view all the answers

What is the path of a pulmonary thromboembolus from a leg vein?

Up the inferior vena cava, then to the main pulmonary arteries Signup and view all the answers

What is the clinical effect of a massive embolus?

Sudden death Signup and view all the answers

What is the most common origin of a thrombus?

Atherosclerotic plaque Signup and view all the answers

What is the term for a thrombus that has broken loose and travelled to another part of the body?

Embolus Signup and view all the answers

What is the term for the inflammatory reaction that occurs when a vein becomes thrombosed?

Thrombophlebitis Signup and view all the answers

What is the primary mechanism by which venous return from the legs is maintained?

Muscle contraction and relaxation Signup and view all the answers

What is the term for a thrombus that becomes lodged at a vessel junction?

Saddle embolus Signup and view all the answers