CardiacCycleKEY Sp09

CardiacCycleKEY Sp09 - f closed of AV valves g open...

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Spring 2009 Biology 152 Practice Exam Problem: Cardiac Cycle Learning Objective Students will be able to connect the mechanical (contractile) and electrical events in the cardiac cycle. The figures below illustrate the mechanical and electrical events during the cardiac cycle. Label each of the following mechanical and electrical events on both diagrams: Mechanical a. atrial diastole b. atrial systole c. ventricular systole d. ventricular diastole e. open AV valves
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Unformatted text preview: f. closed of AV valves g. open semilunar valves h. closed semilunar valves Electrical i. SA node & atrial muscle depolarization j. atrial muscle repolarization k. AV nodal delay l. bundle of His depolarization m. purkinje fiber and ventricular muscle depolarization n. ventricular muscle repolarization b, d, e, h, i, k, l a, d, e, h, j, n a, c, f, g, j, m a, c, f, g, j, m b, d,e, h, i, n a, c, e, h, j, l b, d, e, h, i, k, n...
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