An aneurysm is a weakening of the walls of a blood vessel. Which of the following blood vessels would be most likely to break open if an aneurysm is present?

Question

Quizplus · Accepted Answer

Arteries carry blood under high pressure and velocity, so if there is a weakening of the walls in an artery due to an aneurysm, it is more likely to break open and cause internal bleeding. Capillaries, lymph ducts, and venules do not carry blood under high pressure and are less likely to rupture due to an aneurysm.

An Aneurysm Is a Weakening of the Walls of a Blood