试题与答案

在制作可卸代型的过程中,在模型底面涂一层凡士林的作用是()。 A.润滑 B.黏固 C

题型:单项选择题

题目:

在制作可卸代型的过程中,在模型底面涂一层凡士林的作用是()。

A.润滑

B.黏固

C.表面强化作用

D.分离作用

E.防水

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:脑脊液正常日分泌量为400~500ml,每小时约20ml。10.E颞叶钩回疝早期的临床表现是意识丧失,一侧瞳孔散大,对侧肢体瘫痪。

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