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19 Cards in this Set
- Front
- Back
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cardiac cycle is the interval from the ____ of one contraction to the ____ contraction
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end - following
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the cardiac cycle lasts ____ long
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0.8 sec.
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the cardiac cycle consists of 2 phases
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systole phase - diastole phase
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the systole phase is the ____ stage
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contraction
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in the systole stage ____ is ejected
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blood
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2 substages of the systole phase
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atrial systole - ventricular systole
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how long does atrial systole last
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0.1 sec.
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atrial systole follows passive filling with ____
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blood
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in atrial systole, ____ valves open & ____ valves close
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AV - semilunar
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in atrial systole, ____ fill with blood
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ventricles
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ventricular systole last
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0.3 sec.
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in ventricular systole, ____ & ____ valves are closed until pressure opens ____ valves
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AV - semilunar - semilunar
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in ventricular systole blood is pushed into ____ ____
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pulmonary trunk
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in ventricular systole, average pressure is
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120mm Hg
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in ventricular systole atria becomes ____
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diastole
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diastole phase is ____ phase
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relaxation
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ventricular diastole follows ____ ____
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verntricular systole
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in ventricular diastole, AV valves ____ & ____ begin
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reopen - fillings
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average pressure in ventricular diastole is
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80mm Hg
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