NURS 5001- Coronary Artery Disease Questions With Complete Solutions

Coronary Artery Disease (CAD) correct answer: Atherosclerosis—blood vessel disorder -Begins as soft deposits of fat that harden with age; referred to as "hardening of arteries" -Atheromas (fatty deposits) form in coronary arteries—called CAD Cardiovascular Disease (CVD) correct answer: Major cause of death in United States: -Coronary artery disease (CAD)—most common CVD -CAD was an underlying cause of death in 1 of 7 deaths in 2014 -WHO, 2015: 7.4 million deaths from CAD -CAD—asymptomatic or chronic stable angina (chest pain) -Acute coronary syndrome (ACS) —unstable angina (UA) or myocardial infarction (MI) -CAD—profound effect on perfusion Pathogenesis of Atherosclerosis correct answer: 1. chronic endothelial injury -hypertension, tobacco. hyperlipidemia, hyperhomocysteinemia, diabetes, infection, toxins, Damaged endothelium. 2. Fatty streak- lipids accumulate and migrate into smooth muscle cells 3. fibrous plaque-Collagen covers fatty streak, vessel lumen is narrowed, blood flow reduced, fissures can develop 4. complicated lesion- plaque r