患儿男性,2岁,咳嗽3天,发热1天,痰多气促,右下肺可闻及少量细湿啰音。该患儿的诊断为支气管肺炎。关于儿童气管与支气管的特点,下列叙述正确的是()A、婴幼儿的气管、支气管较成人狭窄
B、黏液腺丰富
C、纤毛运动差
D、软骨弹性组织缺乏
E、黏膜柔嫩,血管丰富
F、左支气管粗短,异物容易坠人左支气管
提示:护理查体中,患儿呼吸为40次/分。2岁患儿的正常呼吸频率为()A、40~45次/分
B、30~40次/分
C、25~30次/分
D、20~25次/分
E、18~20次/分
提示:患儿入院2天后,出现烦躁不安,面色发绀,呼吸急促,可见鼻翼煽动及三凹征。下列关于三凹征的叙述,正确的是()A、指胸骨上窝、锁骨上窝及肋间隙凹陷
B、指胸骨下窝、锁骨下窝及肋间隙凹陷
C、指胸骨下窝、锁骨上窝及肋间隙凹陷
D、使吸气时胸廓不能扩张,反而下陷
E、增加呼吸肌能量消耗
F、常见于婴幼儿上呼吸道梗阻或肺实变时
提示:急查动脉血气,结果提示患儿为Ⅱ型呼吸衰竭。Ⅱ型呼吸衰竭患儿可能出现的血气分析变化为()A、PaO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' />>60mmHg,PaCO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' />>50mmHg
B、PaO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' />>60mmHg,PaCO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' /><50mmH9
C、PaO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' /><50mmHg,PaCO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' />>60mmHg
D、PaO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' /><50mmHg,PaCO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' /><60mmHg
E、PaO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' />60mmHg
F、PaCO<img src='https://img2.soutiyun.com/ask/uploadfile/11373001-11376000/fa059603bb2917f7881d50d843fa412f.gif' />50mmHg