What is obstruction of blood vessels by a clot or any foreign substance called?

Question

BlackTom AI · Accepted Answer

The question asks for the term that describes obstruction of blood vessels by a clot or any foreign substance. 
Option 1: aneurysm. An aneurysm is a localized dilation or ballooning of a blood vessel wall, not an obstruction, so this is incorrect for the given definition. 
Option 2: embolism. An embolism is indeed an obstruction caused by a clot (embolus) or other foreign material traveling through the bloodstream and lodging in a vessel. This matches the described scenario exactly. 
Option 3: ischemia. Ischemia refers to restricted blood flow leading to insufficient oxygen delivery to tissues, but it describes the consequence of reduced flow rather than the obstructing material itself. 
Option 4: hemorrhage. Hemorrhage means bleeding or the escape of blood from vessels, which is the opposite of obstruction; it does not describe a blockage by a clot or foreign substance. 
Thus, among the options, embolism is the term that precisely fits the description of obstruction by a clot or foreign substance.

hk_264_120258_248438 Chapter 8 Self Test: Circulatory (Cardio/vascular) System

What is obstruction of blood vessels by a clot or any foreign substance called?

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