4.乙醯膽鹼(acetylcholine)降低心跳速率的作用與atropine增加心跳速率的作用屬於下列何種拮抗?
(A)受體拮抗(receptor antagonism)
(B)生理拮抗(physiologic antagonism)
(C)化學拮抗(chemical antagonism)
(D)酵素拮抗(enzymic antagonism)
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統計: A(1691), B(841), C(59), D(25), E(0) #1739275
統計: A(1691), B(841), C(59), D(25), E(0) #1739275