Final answer:
During aerobic exercise, normal blood pressure response is an increase in systolic pressure with no change or a decrease in diastolic pressure. Systolic pressure goes up to increase blood flow, while diastolic pressure may remain stable or drop slightly to accommodate the increased circulatory demands.
Step-by-step explanation:
During aerobic exercise, a normal blood pressure response would be an increase in systolic and no change or decrease in diastolic pressure (B). Systolic pressure reflects the arterial pressure from blood ejection during ventricular contraction, and it increases during exercise to enhance blood flow. In contrast, diastolic pressure, which indicates arterial pressure during ventricular relaxation, can either remain unchanged or decrease slightly as blood vessels dilate to accommodate increased blood flow during exercise.
Blood pressure is often expressed as a ratio (e.g., 120/80 mm Hg), with the first number representing the systolic pressure and the second representing the diastolic pressure. It is important to monitor and maintain healthy blood pressure levels to minimize health risks such as stroke and heart attack, and exercise can help in maintaining good vascular tone and fluid balance.