题目内容
关于咯血特征的描述正确的是
2022-03-04
A.肺癌常表现为大咯血
B.鲜红色血痰多见于肺炎克雷伯杆菌肺炎
C.二尖瓣狭窄所致咯血多为胶冻样血痰
D.左心衰竭常有粉红色泡沫样痰
E.支气管扩张常为痰中带血
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