Which term describes obstruction of a blood vessel by a clot or foreign substance?

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Multiple Choice

Which term describes obstruction of a blood vessel by a clot or foreign substance?

Explanation:
Embolism describes the blockage of a blood vessel by a piece of material that has traveled through the bloodstream, such as a clot or other foreign substance. The material that travels is called an embolus, and when it lodges in a vessel it obstructs blood flow. Erythema means skin redness, and ascites is fluid buildup in the abdomen, so they don’t describe the obstruction process.

Embolism describes the blockage of a blood vessel by a piece of material that has traveled through the bloodstream, such as a clot or other foreign substance. The material that travels is called an embolus, and when it lodges in a vessel it obstructs blood flow. Erythema means skin redness, and ascites is fluid buildup in the abdomen, so they don’t describe the obstruction process.

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