Heart Failure

1.What is mean arterial pressure (MAP) and why is it important?
2.Identify three factors that maintain MAP.
3.What role does the heart play in regulating MAP?
4.What role does peripheral resistance play in maintaining MAP?
5.What effect would acute heart failure have on MAP?
6.What effect does angiotensin II of RAAS have on blood volume and pressure and how does it achieve

this?
7.What is antidiuretic hormone (ADH)? What effect does it have on blood volume and pressure, and what

stimulates its secretion and what are its actions?

8. What effect would the change in MAP due to heart failure have on RAAS and ADH? How and why?

Sample Solution

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