A PaO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0.gif">＜65mmHg和（或）伴有PaCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_1.gif">＞55mmHg B PaO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_2.gif">＜50mmHg和（或）伴有PaCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_3.gif">＞60mmHg C PaO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_4.gif">＜60mmHg和（或）伴有PaCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_5.gif">＞55mmHg D PaO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_6.gif">＜60mmHg和（或）伴有PaCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_7.gif">＞50mmHg E PaO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_8.gif">＜65mmHg和（或）伴有PaCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640108_0_9.gif">＞50mmHg

A A B B C C D D E E

A 心脏 B 大脑皮质组织细胞 C 呼吸中枢 D 肝细胞 E 肾小球

A A B B C C D D E E

A 可表现为大叶性肺炎 B 一般不引起肺组织坏死或形成空洞 C 肺炎消散后，多留有纤维瘢痕 D 治疗首选青霉素 E 少数患者可并发脓胸

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E

A 支气管 B 终末细支气管 C 呼吸性细支气管 D 肺泡管 E 肺泡囊