CCI Practice Exam Questions and Answers Latest Version (2024/2025) 100% Pass

CCI Practice Exam Questions and Answers Latest Version (2024/2025) 100% Pass What is the primary function of the heart's left ventricle? To pump oxygenated blood to the body through the aorta. What is the role of the coronary arteries? To supply blood and oxygen to the heart muscle. What is the most common cause of a heart attack? A blockage in one or more coronary arteries due to atherosclerosis. What does the term "systolic blood pressure" refer to? The pressure in the arteries when the heart contracts and pumps blood. What is the primary purpose of the sinoatrial (SA) node in the heart? To act as the natural pacemaker and initiate the heart's electrical impulses. 2 How is heart failure defined? A condition where the heart is unable to pump blood effectively to meet the body's needs. What is the main difference between arteriosclerosis and atherosclerosis? Arteriosclerosis is the thickening and hardening of the arterial walls, while atherosclerosis involves the buildup of fatty plaques in the arteries. What is the function of the tricuspid valve in the heart? To prevent backflow of blood from the right ventricle to the right atrium. How does an electrocardiogram (ECG) help diagnose heart problems? It records the electrical activity of the heart to identify abnormal heart rhythms or other heart conditions. What is the normal resting heart rate for adults? Typically between 60 and 100 beats per minute. What is the primary function of the right atrium? 3 To receive deoxygenated blood from the body and pump it into the right ventricle. How can hypertension affect the heart over time? It can lead to heart disease, heart failure, or stroke by causing the heart to work harder and increasing the risk of arterial damage. What is the function of the aortic valve? To prevent the backflow of blood from the