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hamra- systemic circ

The systemic Circulation: Coupling of Vascular Cardiac function

QuestionAnswer
MAP equals MAP= DP + (1/3)(SP-DP) Cardiac output x total peripheral resistance
Cardiac output equals Stroke volume x Heart rate
Stroke Volume includes EDV and ESV
EDV refers to Preload
ESV refers to Afterload and Inotropy
Sympathetic stimulation uses which neurotransmitters Epi and Norepi
Do veins have Beta2 receptors? No
What percent of total blood volume is in systemic circulation 80%
Peripheral resistance is controlled by arterioles
Right atrial pressure depends on Cardiac output and Venous Return
If you increase Right atria pressure, what happens to venous return Decrease
Mean circulatory filling pressure A measurement of how full the system is- pressure if the heart stopped beating
Three things that affect the vascular function curve BV, Capacitance, and Slope of the curve(aka TPR)
Things that shift vascular function curve up Increased volume and Increased venous tone
Things that shift vascular function curve down Decrease in volume and decreased venous tone
An increase in venous tone does what to venous capacitance? Decreases
Increasing arteriolar resistance does what to venous return Decreases
Decreasing arteriolar resistance does what to venous return Increases
What happens to mean circulatory filling pressure when arteriolar resistance changes Nothing
Created by: mcasto
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