Which of the following factors can lower blood pressure? A) Increased blood viscosity. B) Higher cardiac output. C) Wider peripheral vessels. D) Increased volume of circulating blo... Which of the following factors can lower blood pressure? A) Increased blood viscosity. B) Higher cardiac output. C) Wider peripheral vessels. D) Increased volume of circulating blood.
Understand the Problem
The question is asking which of the listed factors can contribute to lowering blood pressure. Each option presents a different physiological concept, and we need to identify which one decreases blood pressure.
Answer
Wider peripheral vessels.
The final answer is Wider peripheral vessels.
Answer for screen readers
The final answer is Wider peripheral vessels.
More Information
Wider peripheral vessels decrease peripheral resistance, thereby lowering blood pressure. This occurs because larger vessel diameters reduce the pressure needed to push blood through the circulatory system.
Tips
A common mistake is thinking increased blood viscosity and higher cardiac output lower blood pressure. Both actually increase resistance and force the heart to work harder, thus increasing blood pressure.
Sources
- Factors That Influence Blood Pressure - opentextbc.ca
- Blood Flow, Blood Pressure, and Resistance - courses.lumenlearning.com
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