The blockage of a blood vessel by a foreign object circulating in the blood is known as a/an ____.
A) embolism
B) embolus
C) thrombosis
D) thrombus

Question

Quizplus · Accepted Answer

An embolism is the blockage of a blood vessel by a foreign object circulating in the blood, which may include blood clots, air bubbles, fat droplets, and other debris. An embolus is the specific foreign object that causes the blockage. Thrombosis refers to the formation of a blood clot within a blood vessel, while a thrombus is the actual clot that forms within the vessel.

The Blockage of a Blood Vessel by a Foreign Object