63.促使運動肌肉(working muscle)血管擴張的最主要物質是:
(A)乙醯膽素(acetylcholine)
(B)腺苷酸(adenosine)
(C)乳酸(lactic acids)
(D)二氧化碳(carbon dioxide)

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統計: A(39), B(68), C(14), D(32), E(0) #1048682