题目内容
硫酸镁导泻的药物作用机制是
2021-11-01
A.对抗Ca2+的作用
B.激活Na+-K+-ATP酶
C.扩张外周血管
D.分泌缩胆囊素，促进肠液分泌和蠕动
E.在肠腔内形成高渗而减少水分吸收
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