15.下列何者供應心臟房室結(atrioventricular node)的血液?
(A)前室間動脈(left anterior descending artery)
(B)左邊緣動脈(left marginal artery)
(C)右冠狀動脈(right coronary artery)
(D)左冠狀動脈(left coronary artery)
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統計: A(112), B(17), C(634), D(65), E(0) #3199233
統計: A(112), B(17), C(634), D(65), E(0) #3199233