SHORT ANSWER 1. (18 points) Below, a diagram of the volume and pressure changes

Question

SHORT ANSWER 1. (18 points) Below, a diagram of the volume and pressure changes in the aorta, left ventricle, and left atrium are plotted as a function of time over the course of one contraction cyele in the heart. Each letter in the diagram below corresponds to a point in the cycle where a valve opens or closes. For each letter, please name the valve and whether the valve is opening or closing at this point Valve names: aortic valve, mitral valve, pulmonary valve, tricuspid valve PositionValve name Opening or closing? 120 0 100 0orbcpressure left ventriculx pressuic 350 left trialA pressure left ventrick 08 09 1.0 0 0.1 02 03 04 0. Time ( right ventrk

Explanation / Answer

Position

Position

Valve name opening or closing A Mitral valve Closes B Aortic valve Opens C Aortic valve closes D Mitral valve Opens

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