问题
单项选择题 A3/A4型题
患者女，56岁。无任何临床症状，体检行生化常规检查，结果各项指标皆正常，唯有血清K+浓度高达22.3mmol/l。
导致此患者血钾增高的原因最可能的是 （）
A.患者有高钾血症病史
B.患者使用保钾利尿剂
C.使用了EDTA钾盐抗凝血
D.血液凝固
E.患者近期有服用钾盐的病史
答案
参考答案：C
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患者女，56岁。无任何临床症状，体检行生化常规检查，结果各项指标皆正常，唯有血清K+浓度高达22.3mmol/l。
导致此患者血钾增高的原因最可能的是 （）
A.患者有高钾血症病史
B.患者使用保钾利尿剂
C.使用了EDTA钾盐抗凝血
D.血液凝固
E.患者近期有服用钾盐的病史
参考答案：C
On a cold November afternoon, my mother and I were walking back home from a pizza store. We had bought many things. We were dressed 26 , and I was feeling a little 27 as I was carrying our shopping, so I decided to throw something away. I was walking towards a dustbin（垃圾箱） 28 I noticed a poor man walking out of the restaurant in front of us. He headed over to the nearby dustbin and started looking through it. I suddenly felt very 29 because I was about to throw away a new drink just because it was too heavy. I walked up to him and handed the 30 and some bread over to him. The man looked up 31 and took what I gave him. A huge smile 32 on his face. I felt I couldn’t be happier with33 . But then he said, “Wow, this is my son’s lucky day!” With that, he thanked me happily and started off on his bike. I 34 heard him singing as he rode away. I got a warm 35 inside. I now understand what it 36 by the saying “Giving is getting”. 37 it was only a little action, I got and learned more in those two minutes than I did in the rest of the month. Everyone in the world 38 help. Everyone can give help and everyone will be helped by showing kindness. The scene of that man’s happiness caused by my small gift appears in my mind 39 I have the chance to do something nice. This is the power（力量）of 40 .
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