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【单选题】
对胃粘液的叙述,错误的是A.
有润滑作用
B.
与HCO3一起形成“粘液一碳酸氢盐屏障”
C.
对胃粘膜有保护作用
D.
止Na+离子从粘膜向胃腔弥散
E.
胃粘膜上皮细胞可分泌粘液
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举一反三
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B.
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C.
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D.
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E.
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F.
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G.
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