【单选题】【消耗次数：1】
1.王某，男，3岁。在进餐中突然出现严重呼吸困难，伴发绀。急诊初步判断为异物吸入。该异物最有可能吸入的部位是
①
气管
②
左主支气管
③
右主支气管
④
细支气管
⑤
终末细支气管
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下列关于左、右主支气管的描述错误的是
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气管在隆凸处分为左、右主支气管
②
右主支气管较左主支气管粗、短、直
③
进行气管插管时，若插入过深时易
误插入右主支气管
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异物易吸入左主支气管
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肺脓肿好发于右肺与右主支气管的结构特点有关
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在正常肺泡呼吸音部位听到的支气管呼吸音
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在正常肺泡呼吸音部位听到的支气管肺泡呼吸音
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粗糙性呼吸音
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支气管呼吸音的音调强弱发生改变
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