正确答案: C

脂肪在胃内对胃酸分泌有抑制作用

题目:下列关于胃液分泌抑制性调节的叙述中,哪一项是错误的?

解析:

  9.答案:C

[考点] 胃液分泌的调节

[分析] 本题是检验考生关于胃液分泌的抑制性调节的知识。不论是胃内或小肠内的 pH,对胃酸分泌均有负反馈调节作用,当胃窦的pH≤2.0或十二指肠内pH≤2.5时,就可显示出这种作用。小肠内脂肪和高渗溶液也是胃酸分泌的抑制性调节因素,但脂肪在胃内不是。

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