CVS Practice Test 2026 - Free CVS Practice Questions and Study Guide

The typical volume of blood flow in the coronary circulation per minute is approximately 225-250 mL/min. This range is indicative of the heart's demand for blood due to its unique physiological requirements. The coronary arteries supply oxygen-rich blood to the heart muscle itself, ensuring that it can function effectively, especially during periods of increased activity or stress.

During rest, the heart receives about 70-80 mL of blood per 100 grams of heart muscle per minute, which can increase during physical activity or stress, highlighting the dynamic nature of coronary blood flow. This range of 225-250 mL/min aligns with the understanding of coronary perfusion, emphasizing the heart's need for a consistent and adequate blood supply to maintain its health and function.

Other options do not accurately reflect the typical coronary blood flow. Volumes lower than 225 mL/min would not adequately meet the heart muscle's demands, particularly during exertion, while values significantly above this range would be atypical for a resting physiological state. The selected range provides a balanced view of normal coronary blood flow under various conditions, making it the accepted standard in cardiovascular physiology.