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試卷名稱：114年 - 114 國立中山大學_學士後醫學系招生考試試題：普通生物及生化概論#126236
年份：114年
科目：學士後西醫-普通生物及生化概論
58. Which of the following is the primary cause of the second heart sound (S2)?
(A) the closure of the atrioventricular (AV) valves at the beginning of systole
(B) the opening of the aortic and pulmonary valves during ventricular ejection
(C) the closure of the aortic and pulmonary valves at the beginning of diastole
(D) the rapid filling of the ventricles during early diastole
(E) the closing of the AV valves at the end of diastole
