The term for a ballooning out of the wall of a vessel, usually an artery, caused by congenital defect or weakness of the vessel wall is:
A) hemorrhoid.
B) thrombus.
C) aneurysm.
D) embolus.

Question

Quizplus · Accepted Answer

Aneurysm is the term for a ballooning out of the wall of a vessel, usually an artery, caused by congenital defect or weakness of the vessel wall. Hemorrhoid refers to swollen veins in the lower rectum, thrombus refers to a blood clot that forms within a blood vessel, and embolus refers to a blood clot, air bubble, or fat deposit that travels through the bloodstream and blocks a blood vessel in another part of the body.

The Term for a Ballooning Out of the Wall of a Vessel