What condition may lead to chest pain, pressure, or discomfort in various parts of the body due to reduced blood flow?

• A. Angina
• B. Congestive Heart Failure
• C. Coronary Artery Disease
• D. Pulmonary Embolism

Answer: (C)

The correct answer is that coronary artery disease (CAD) can lead to chest pain, pressure, or discomfort in various parts of the body as a result of reduced blood flow. CAD is characterized by the narrowing or blockage of the coronary arteries due to the buildup of plaque, which is made up of fat, cholesterol, and other substances. This can significantly decrease blood flow to the heart muscle, particularly during exertion or stress, where the heart's demand for oxygen is higher.

When the heart is not receiving enough blood and oxygen, it can result in angina, which manifests as chest pain or discomfort that can radiate to the shoulders, neck, arms, back, teeth, or jaw. The pain varies in intensity and duration, often relieved by rest or medication.

While conditions like angina are directly associated with CAD, angina itself is more of a symptom rather than a condition. Congestive heart failure is primarily related to the heart's ability to pump blood efficiently and may not always present with chest pain, while a pulmonary embolism involves a blockage in a pulmonary artery, typically leading to different symptoms. Thus, CAD is the most accurate answer regarding the primary cause of chest discomfort due to reduced blood flow.