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【单选题】
患者男性,56岁。患帕金森病用L-dopA治疗,最终每日用到4g,两个月后症状明显好转,为加强营养自行服用多种维生素,其中有维生素BA.
ub>6每天50mg，两天后病情明显加重，最可能的原因是:
B.
维生素B 6 加速L-dopA从肾脏排出
C.
维生素B 6 加速L-dopA的外周代谢
D.
维生素B 6 化学上与L-dopA拮抗
E.
维生素B 6 生理上与L-dopA拮抗
F.
维生素B 6 减少L-dopA中枢脱羧
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