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Questions and Answers
What is the common pulse site known as the 'antecubital region'?
What is the common pulse site known as the 'antecubital region'?
- Popliteal artery
- Radial artery
- Brachial artery (correct)
- Carotid artery
How does an increase in cardiac output affect blood pressure and flow?
How does an increase in cardiac output affect blood pressure and flow?
- Increases blood pressure and decreases flow
- Increases blood pressure and flow (correct)
- Decreases blood pressure and flow
- Decreases blood pressure and increases flow
What effect does a narrower and longer vessel have on blood flow and pressure?
What effect does a narrower and longer vessel have on blood flow and pressure?
- Increases resistance, decreases flow, increases pressure (correct)
- Increases resistance, flow, and pressure
- Decreases resistance, increases flow, decreases pressure
- Decreases resistance, flow, and pressure
How does the thickness of blood (viscosity) affect blood pressure?
How does the thickness of blood (viscosity) affect blood pressure?
What happens to blood pressure when there is less blood in the body (hypovolemia)?
What happens to blood pressure when there is less blood in the body (hypovolemia)?
What is the main function of arterioles in the circulatory system?
What is the main function of arterioles in the circulatory system?
Which type of capillary has pores that make it permeable to larger molecules?
Which type of capillary has pores that make it permeable to larger molecules?
What is the diameter range of a muscular artery?
What is the diameter range of a muscular artery?
What is the function of a precapillary sphincter?
What is the function of a precapillary sphincter?
In what type of capillary is the vessel wall only one cell thick?
In what type of capillary is the vessel wall only one cell thick?
Why is it important for arterioles to always have slightly contracted muscle fibers?
Why is it important for arterioles to always have slightly contracted muscle fibers?
What are the primary sites for diapedesis?
What are the primary sites for diapedesis?
Where does blood in the bone marrow, liver, and integument reside?
Where does blood in the bone marrow, liver, and integument reside?
Which blood vessels are considered blood reservoirs?
Which blood vessels are considered blood reservoirs?
What prevents backflow in veins?
What prevents backflow in veins?
What is the function of vasa vasorum in blood vessels?
What is the function of vasa vasorum in blood vessels?
What is the average force driving blood into the vessels known as?
What is the average force driving blood into the vessels known as?
Which layer of a blood vessel is innervated by nervi vasorum and controlled by hormones and local chemicals?
Which layer of a blood vessel is innervated by nervi vasorum and controlled by hormones and local chemicals?
What is the calculation for pulse pressure?
What is the calculation for pulse pressure?
What is the main function of vasoconstriction in blood vessels?
What is the main function of vasoconstriction in blood vessels?
What is the role of the external elastic membrane in large arteries?
What is the role of the external elastic membrane in large arteries?
Why do veins have valves?
Why do veins have valves?
What is the main role of the tunica externa in veins?
What is the main role of the tunica externa in veins?
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