23.下列心臟傳導系統中,何種結構的細胞較正常心肌細胞為小?①竇房結(sinoatrial node) ②
房室結(atrioventricular node) ③房室束(atrioventricular bundle)
(A)僅①②
(B)僅①③
(C)僅②③
(D)①②③
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統計: A(40), B(5), C(18), D(72), E(0) #1048722
統計: A(40), B(5), C(18), D(72), E(0) #1048722
詳解 (共 1 筆)
#5553693
竇房結、房室結、房室束較正常心肌細胞為小
普金氏纖維(Purkinje fibers)較正常心肌細胞為大
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