题目内容
慢性支气管炎患者咳痰的病变基础是
2021-12-07
A.支气管黏膜上皮细胞变性、坏死、脱落
B.支气管壁充血、水肿，淋巴细胞、浆细胞浸润
C.黏液腺体肥大、增生、分泌亢进
D.支气管壁纤维组织增生、管壁增厚
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