肺结核是怎么得上的?

2025-03-15 10:57:05
推荐回答(4个)
回答1:

肺结核属于结核杆菌导致的传染性疾病,肺结核病人有咳嗽咯痰的时候,可以向外界排除结核杆菌,这些杆菌被人体吸入后,就可以在肺内繁殖,侵犯肺组织,形成肺结核,另外结核杆菌还可以侵犯肺部以外的器官,导致淋巴结核,骨结核,肠结核,肾结核,结核性脑膜炎等疾病,

回答2:

你好,肺结核是结核杆菌引起的慢性呼吸道传染病,主要通过结核病人咳嗽、打喷嚏时散发带菌的空气飞沫,正常人吸入带菌飞沫感染。

回答3:

肺结核患者含有大量结核菌的痰液,通过咳嗽、打喷嚏、大声说话等方式经鼻腔和口腔喷出体外,在空气中形成气雾(或称为飞沫),较大的飞沫很快落在地面,而较小的飞沫很快蒸发成为含有结核菌的"微滴核",并长时间悬浮在空气中。如果空气不流通,含菌的微滴核被健康人吸入肺泡,就可能引起感染。

回答4:

只有痰涂片抗酸杆菌阳性的肺结核病人才具有传染性,才是结核病的传染源。在肺结核病变中或空洞中,存在大量繁殖的结核菌。这些结核菌随着被破坏的肺组织和痰液,通过细支气管、支气管、大气管排出体外。含有大量结核菌的痰液,通过咳嗽、打喷嚏、大声说话等方式经鼻腔和口腔喷出体外,在空气中形成气雾(或称为飞沫),较大的飞沫很快落在地面,而较小的飞沫很快蒸发成为含有结核菌的"微滴核",并长时间悬浮在空气中。如果空气不流通,含菌的微滴核被健康人吸入肺泡,就可能引起感染。由此看来,传染性的大小和传染源病人的病情严重性、排菌量的多少、咳嗽的频度、病人居住房子的通风情况及接触者的密切程度及抵抗力有关。以上称为"咳嗽传染",是经科学试验证的,是最主要的传播方式。也有可能通过随地吐痰形成的"尘埃传染",但这是次要的传播方式。
我最靠谱!

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