Semilunar valves open leading to the onset of the following phase of the cardiac

Question

Semilunar valves open leading to the onset of the following phase of the cardiac cycle: a) Filling b) Isovolumic Contraction c) Ejection d) Isovolumic Relaxation e) None of the Above Closure of the semilunar valves is heard leading to the onset of the following phase of the cardiac cycle: a) Filling b) Isovolumic Contraction c) Ejection d) Isovolumic Relaxation c) None of the Above S_1 (first heart sound) is beard prior to the onset of the following phase of the cardiac cycle: a) Filling b) Isovolumic Contraction c) Ejection d) Isovolumic Relaxation e) None of the Above S_2 (second heart sound) is heard prior to the onset of the following phase of the cardiac cycle: a) Filling b) Isovolumic Contraction c) Ejection d) Isovolumic Relaxation e) None of the Above The following occurs during diastole of the cardiac cycle: a) Isovolumic Relaxation b) Filling c) Isovolumic Contraction d) A and B e) B and C The following occurs during systole of the cardiac

Explanation / Answer

ANSWERS) 78) the answer will be ejection because at this point of time the pressure inside the chambers rises further. that is C

79) the answer is isovolumetric relaxation. i.e D

80) the answer will be isovolumetric contraction i.e. B

81) the naswer will be isovolumetric relaxation i.e. D

82) the answer will be D i.e.   a and b

83) the answer will be E.i.e. b and c

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