Algonquin College Health Program Assessment (AC-HPAT) Practice Exam

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What is the role of coronary arteries?

To drain blood from the heart
To supply blood to the heart muscle
To transport blood to the lungs
To carry oxygen-poor blood

The correct answer is: To supply blood to the heart muscle

The role of coronary arteries is to supply blood to the heart muscle itself. These arteries are critical because they provide oxygen and nutrients that the heart requires to function effectively. The heart is a muscular organ that works continuously to pump blood throughout the body, and it has high metabolic demands. Therefore, a rich supply of blood through the coronary arteries is essential for delivering the oxygen and nutrients that sustain heart tissue. When the coronary arteries become blocked or narrowed, it can lead to serious conditions such as angina (chest pain) or a heart attack, as the heart muscle begins to suffer from a lack of sufficient blood supply. This highlights the importance of the coronary arteries in maintaining heart health and overall cardiovascular function.