问题
单项选择题 案例分析题
男，30岁。搬运工，在搬运苯胺时，不小心将苯胺溅到皮肤上，未及时清理，5小时后感头晕、恶心及呕吐入院。入院时查体：意识清楚，口唇明显发绀。
口唇发绀的机制为（）
A.血液中苯胺含量增高
B.造成严重溶血
C.血液中血红蛋白含量降低
D.血液中高铁血红蛋白含量增高
E.血液中碳氧血红蛋白含量增高
答案
参考答案：D
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男，30岁。搬运工，在搬运苯胺时，不小心将苯胺溅到皮肤上，未及时清理，5小时后感头晕、恶心及呕吐入院。入院时查体：意识清楚，口唇明显发绀。
口唇发绀的机制为（）
A.血液中苯胺含量增高
B.造成严重溶血
C.血液中血红蛋白含量降低
D.血液中高铁血红蛋白含量增高
E.血液中碳氧血红蛋白含量增高
参考答案：D
| Choose tho same meaning as the underlined part. 选出与画线部分意思相同或相近的选项。 |
| 1. I want to have some bread. |
[ ] |
| A. I like to B. I like C. I love D. I'd like to |
| 2. This is my watch. Please look after it. |
[ ] |
| A. look at B. take care of C. watch D. see after |
| 3. Can I have a look at your new umbrella? |
[ ] |
| A. meet B. see C. show D. get |
| 4. — Who's the girl in red? — She's my cousin. |
[ ] |
| A. in the red hat B. wearing red clothes C. with red coat D. inside red |
| 5. Whose are the trousers and sweaters? They're Lucy and Lily's. |
[ ] |
| A. clothes B. coats C. dresses D. blouses |