制氢装置使用的锅炉水都要进行()方面的预处理 ["脱盐","提高碱度","提高酸度","除氧"]
吸入性损伤的病理变化有() ["气道损伤","肺水肿","肺萎陷","肺不张","肺大疱"]
呼吸功能不全病人开胸术后如需镇痛治疗宜选用() ["肌注吗啡","静点吗啡","硬膜外低浓度局麻药","硬膜外低浓度局麻药+吗啡","肌注哌替啶"]
下列哪项不是促进内皮细胞增殖的活性物质() ["A.肝素结合生长因子","B.血小板衍生生长因子","C.Ⅳ型胶原","D.转化生长因子β","E.转化生长因子α"]
烧伤感染途径是多渠道的,主要包括() ["外源性感染","内源性感染","静脉导管感染","导尿管","饮食感染"]
套钩起什么作用?