CPNRE Practice Exam 2026 – Comprehensive All-in-One Guide to Ace Your Canadian Practical Nurse Registration!

Question: 1 / 595

What significantly contributes to coronary artery disease?

Stress-related hormones

High-fat plaques that narrow the arteries

High-fat plaques that narrow the arteries are a significant contributor to coronary artery disease (CAD) because they directly impact the flow of blood through the coronary arteries. These plaques are formed through a process called atherosclerosis, where excess lipids, cholesterol, and inflammatory cells accumulate on the arterial walls. Over time, the buildup reduces the lumen of the artery, restricting blood flow to the heart muscle. This restriction can lead to insufficient oxygenation of the heart tissue, which manifests as angina (chest pain) or can even result in a heart attack if a plaque ruptures and causes a blood clot to form, completely obstructing the artery. In light of this, the presence of high-fat plaques is a critical factor in the development and progression of coronary artery disease, making it the most relevant choice among the provided options.

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Genetics and family history

Excessive physical inactivity

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