患者，男性，68岁，65kg，一周前因胃体癌而行全胃切除术。病人感_爱下问搜题

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问题问答题简答题

患者，男性，68岁，65kg，一周前因胃体癌而行全胃切除术。病人感到疲乏、无力，站立时头晕，心律110次/分，脉细。尿比重1.010，血钠浓度为125mmol/L，血钾浓度为3.6mmol/L。病人目前存在什么问题?应如何处理?

答案

参考答案：

答案要点依据临床表现及血钠和尿比重的测定结果，病人存在中度低渗性缺水。治疗方面，首先积极处理原发病，根据病人血液低渗的特点应静脉输注含钠溶液或高渗盐水。公式计算补钠的剂量，仅供参考。先补充所需量的1/2和当日生理需要量，余量次日补足。

完形填空

It was very late at night. An old man came to a small town. He found an inn (小旅馆) and Wanted to slay there for the night. After he went to his room, the owner said to his 41 ."Look at hisbag. There must be much money in it. Let’s take it away when he’s 42 , shall we? ’
"Oh, no," said the woman. "He must 43 his bag when he wakes up tomorrow morning. If he can’t find it, he’ll telephone the police."
They thought for a few minutes. Then the woman had an 44 . "We have forgetful grass. Why not put some forgetful grass into his food? If he 45 the food, he will forget lo take his bag away."
The old man ate the food 46 the forgetful grass and went to bed. The next morning when the owner got up, he found the door 47 and the old man had gone away with his bag. He woke his wife up and said to her angrily, "How foolish you are! Your forgetful grass isn’t 48 at all."
"No, I don’t think so. He must forget_49__," his wife said.
"Oh! I remember now! He forgot to 50 for the night," cried out the man suddenly. Then they looked at each other without saying a word.

C．instruction

A．interesting

填空题

概念模型最常用的方法是（）。