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Questions and Answers
Which factor would lead to an increase in blood pressure and decrease in blood flow?
Which factor would lead to an increase in blood pressure and decrease in blood flow?
- Increased cardiac output
- Decreased vessel length
- Increased artery compliance
- Increased blood viscosity (correct)
What is the impact of hypovolemia on blood pressure?
What is the impact of hypovolemia on blood pressure?
- Increase in blood flow
- Increase in blood pressure
- Decrease in blood pressure (correct)
- No effect on blood pressure
If a person gains weight, how might it affect their blood pressure?
If a person gains weight, how might it affect their blood pressure?
- Increase in compliance of arteries (correct)
- Decrease in blood viscosity
- Decrease in cardiac output
- Increase in vessel radius
What effect does a narrow and shorter vessel have on blood flow?
What effect does a narrow and shorter vessel have on blood flow?
What is the main function of arteries in the circulatory system?
What is the main function of arteries in the circulatory system?
How does an increase in cardiac output affect blood pressure?
How does an increase in cardiac output affect blood pressure?
What is the primary difference between muscular arteries and elastic arteries?
What is the primary difference between muscular arteries and elastic arteries?
How does the diameter of arterioles compare to that of muscular arteries?
How does the diameter of arterioles compare to that of muscular arteries?
Which type of capillary is characterized by having pores that make it permeable to larger molecules?
Which type of capillary is characterized by having pores that make it permeable to larger molecules?
What is the function of precapillary sphincters in regulating blood flow?
What is the function of precapillary sphincters in regulating blood flow?
Why is it important that not all precapillary sphincters are open simultaneously?
Why is it important that not all precapillary sphincters are open simultaneously?
What is the function of the internal elastic membrane in larger arteries?
What is the function of the internal elastic membrane in larger arteries?
Why do arteries have thicker walls than veins?
Why do arteries have thicker walls than veins?
Which tunic of blood vessels is mainly composed of collagenous fibers and some smooth muscle?
Which tunic of blood vessels is mainly composed of collagenous fibers and some smooth muscle?
What is the role of vasa vasorum in blood vessels?
What is the role of vasa vasorum in blood vessels?
What happens during vasoconstriction in blood vessels?
What happens during vasoconstriction in blood vessels?
What is the primary function of the valves in veins?
What is the primary function of the valves in veins?
What is the primary function of venules in the circulatory system?
What is the primary function of venules in the circulatory system?
Which of the following best describes veins in comparison to arteries?
Which of the following best describes veins in comparison to arteries?
What is the formula for Mean Arterial Pressure (MAP) calculation?
What is the formula for Mean Arterial Pressure (MAP) calculation?
What is the main purpose of valves in veins?
What is the main purpose of valves in veins?
What does a high pulse pressure indicate?
What does a high pulse pressure indicate?
In case MAP falls below 60 mm Hg for an extended period, what health issues may arise?
In case MAP falls below 60 mm Hg for an extended period, what health issues may arise?
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