问题
单项选择题
胃肠道消化液持续丢失和大创面慢性渗液引起（）
A．低渗性脱水
B．高渗性缺水
C．等渗性缺水
D．高血钾
E．低血钾
答案
参考答案：A
解析：
细胞外液的低渗状态得不到同时的纠正，水分可从细胞外液移向渗透压相对较高的细胞内液，从而使细胞外液减少，产生肾性慢缺水，又称低渗性缺水。
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胃肠道消化液持续丢失和大创面慢性渗液引起（）
A．低渗性脱水
B．高渗性缺水
C．等渗性缺水
D．高血钾
E．低血钾
参考答案：A
解析：
细胞外液的低渗状态得不到同时的纠正，水分可从细胞外液移向渗透压相对较高的细胞内液，从而使细胞外液减少，产生肾性慢缺水，又称低渗性缺水。
One day a pig went to the stable（马棚）to __1__ a good friend, an old horse, and was going to ___2__ there for the night . Night came and it was time___3___ sleep. The pig went into the straw heap(稻草堆) and lay comfortably（舒服地）. A long time __4__, but the horse was still___5___ there and did not move. So the pig asked the horse ___6____ he did not go to sleep. “Standing like this is the beginning of sleeping.” answered the ____7____.The pig found it __8___ to believe(相信) and said, “How can you stand there sleeping? It is not comfortable at all.” The horse answered, “Comfort is your habit(习性).___9____ horses, we have the habit of running quickly. So we are always ready to run quickly even if(即使) we are __10___.
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