Gabriel is surprised to hear that his smoking combined with his familial predisp
ID: 3516810 • Letter: G
Question
Gabriel is surprised to hear that his smoking combined with his familial predisposition for the condition are the likely culprits of the aneurysm. Gabriel is confused because he stopped smoking years ago and had always thought that smoking only damaged his lungs.
How could smoking have contributed to the aneurysm?
A.) Chemicals in tobacco are absorbed into the blood stream and irritate the endothelium. Over time, the inflammation leads to irreversible plaque buildup within the blood vessels which weakens the vessel wall. B.) Tobacco displaces white blood cells in the blood, preventing a proper immune response to the irritants. C.) Chemicals in the tobacco smoke damage red blood cells, causing an increase in carbon dioxide that can damage the cells in the artery walls. D.) Smoking damages the alveoli, which makes it hard to exercise. The lack of proper exercise leads to permanent damage to blood vessels.Explanation / Answer
Answer is option A
An aneurysm is a condition characterized by weakened blood vessels, bubble-like swelling on walls of blood vessels. it mainly occurs in smokers. The mechanism involved is
The Chemicals in tobacco are absorbed into the bloodstream and irritate the endothelium. Over time, the inflammation leads to irreversible plaque buildup in the blood vessels which weakens the vessel wall.
The most common aneurysm in smokers is abdominal aortic aneurysm (AAA).
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