Which condition is characterized by arteriosclerosis of the inner lining of blood vessels supplying blood to the heart?

• A. Coronary artery disease
• B. Hypertension
• C. Heart failure
• D. Angina

Answer: (A)

Coronary artery disease is characterized by arteriosclerosis, which specifically refers to the thickening and hardening of the inner lining of the arteries that supply blood to the heart muscle. This condition leads to the narrowing of these arteries, ultimately restricting blood flow and oxygen to the heart, which can result in various cardiac issues. The progression of arteriosclerosis in coronary arteries can lead to plaque buildup, increasing the risk of heart attacks, angina, and other cardiovascular problems.

In contrast, hypertension, while related to blood vessels and can contribute to coronary artery disease, does not specifically focus on the arteriosclerosis of the inner lining of the blood vessels. Heart failure is a condition where the heart cannot pump effectively but is a result of other underlying issues, including coronary artery disease. Angina refers to chest pain due to reduced blood flow to the heart muscle, often caused by coronary artery disease but does not itself refer to the condition of the blood vessels. Thus, the defining characteristic aligned with arteriosclerosis in this context is indeed coronary artery disease.