问题
单项选择题 A1型题
诊断二尖瓣狭窄最重要的体征是（）
A.二尖瓣面容
B.肺动脉瓣区第二心音亢进
C.肺动脉瓣区第二心音分裂
D.心尖区闻及隆隆样舒张中晚期杂音
E.心尖区收缩期杂音
答案
参考答案：D
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诊断二尖瓣狭窄最重要的体征是（）
A.二尖瓣面容
B.肺动脉瓣区第二心音亢进
C.肺动脉瓣区第二心音分裂
D.心尖区闻及隆隆样舒张中晚期杂音
E.心尖区收缩期杂音
参考答案：D
| 连词成句。 |
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