# HW 2 - NAME Homework#2 EBME 202 March 2007 1 The circuit...

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NAME: EBME 202 March 2007 Homework #2 1.) The circuit below represents a simplified model of the cardiac system. Using the radii given below, calculate resistances in this circuit. Pay attention to units!!! Assume blood viscosity is 8 mmHg*min. Circulatory Resistance Radius (um) Length (mm) Resistance (mmHg*min/mL) R RA 30000 2 R RV 30000 2 R LA 30000 2 R LV 30000 2 R AORTA 25000 200 R CAP 50 4 R VEIN 20000 1000 R PULM 10000 600

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Using the transfer function below, calculate arteriole resistance for the various conditions listed below. Calculate the systemic vascular resistance. Given that P 1 = 90 mmHg and P 2 = 7 mmHg, calculate flow through the systemic vasculature. What is the flow through the pulmonary resistance? Circulatory Resistance pH Sympathetic Activation (%) Radius (um) Length (mm) R ARTERIOLE (mmHg*min/mL) SVR (mmHg*min/mL) Flow (mL/min) Pulmonary Flow (mL/min) R ARTERIOLE 7.5 50 800 R ARTERIOLE 5.75 50 800 R ARTERIOLE 5.75 75 800 R ARTERIOLE 4.5 25 800 R ARTERIOLE 3.75 25 800
2.) Use the figure below to draw three cardiac P-V loops.

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## This homework help was uploaded on 04/08/2008 for the course EBME 202 taught by Professor Cechner during the Spring '07 term at Case Western.

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HW 2 - NAME Homework#2 EBME 202 March 2007 1 The circuit...

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