肺泡膜病变时下述哪项最正确() ["A.PaO下降","B.A-Ado减少","C.Qs/Qt减少","D.PETCO增加","E.PaCO增加"]
下列哪种情况下,当呼气末二氧化碳升高时将发生缺氧()。 ["A.呼吸空气时","B.纯氧气管内紧闭麻醉","C.50%氧气和50%氧化亚氮低流量麻醉","D.50%氧气和50%氧化亚氮紧闭麻醉","E.50%氧气和50%氧化亚氮半紧闭麻醉"]
在吸入空气的情况下,每100ml血液中溶解氧() ["A.0.1ml","B.0.3ml","C.0.4ml","D.0.5ml","E.1.2ml"]
吸空气时PvO应是() ["A.20mmHg","B.30mmHg","C.40mmHg","D.50mmHg","E.60mmHg"]
吸纯氧时PVO应是() ["A.26mmHg","B.30mmHg","C.36mmHg","D.40mmHg","E.46mmHg"]
产妇,经阴道分娩后第1天,体温37.9℃,脉搏60次/分,出汗较多,阴道出血不多,收缩好,宫底平脐,最可能的诊断是()产妇足月产后第1天,下腹阵发性疼痛,出汗较多,无恶心、呕吐,体温37.8℃,脐下3指可触及宫底,白细胞12×10/L,中性粒细胞0.76,最可能的诊断是()产妇,5小时前经产钳助产分娩一女婴,现有大便感,并觉会阴疼痛,且肛门坠胀感明显,最可能的诊断为()产妇,产后1周,母乳喂养,出现右乳头疼痛,新生儿吸吮时疼痛明显,最可能的诊断为()产妇,产后6小时仍未排尿,阴道出血少量,宫底脐上2指,最可能诊断为()