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Physiology Test Question
During ventricular systole of the cardiac cycle, the period of time immediately after the start of ventricular contraction when the atrioventricular valves close (when ventricular pressure exceeds atrial pressure) until just before the opening of the semilunar valves is referred to as the __________     __________ period. Your response should contain two words.



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Posted: Wednesday, March 16, 2016
Last updated: Saturday, March 19, 2016