对于胃酸过多的病人,不适合使用的抑酸剂是( ) A.Mg(OH)2B.A

对于胃酸过多的病人,不适合使用的抑酸剂是(  )

 

A.

Mg(OH)2

B.

Al(OH)3

C.

NaHCO3

D.

NaOH

答案

考点

药物的主要成分和疗效.

专题

化学应用.

分析:

胃药的成分是能跟盐酸起反应的物质,以减少胃中盐酸的含量,反应生成物应无毒、无腐蚀性.

解答:

解:Mg(OH)2、Al(OH)3、NaHCO3均可与盐酸反应,可做抑酸剂,但氢氧化钠有腐蚀性,不能服用,

故选D.

点评:

本题考查抗酸剂,题目难度不大,注意掌握中和反应的原理是解题的关键.

 

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