Which of the following statements about blood pressure is incorrect?

The statement indicating that blood pressure is solely determined by heart rate is incorrect because blood pressure is influenced by multiple factors, not just heart rate. While heart rate does play a role in determining blood pressure—since the rate at which the heart pumps blood affects the amount of blood ejected into the arteries with each contraction—other crucial elements are also at play.

These include the volume of blood circulating within the vascular system, the elasticity and diameter of blood vessels, and the overall resistance in the arterial system. For instance, an increase in blood volume or a decrease in vessel elasticity can elevate blood pressure, even if the heart rate remains constant. Thus, it's essential to understand that blood pressure is a complex interplay of several physiological factors rather than solely originating from heart rate.