机体缺铁,红细胞生成缺铁期最具特征的诊断指标是() ["血红蛋白测定","血清铁蛋白测定","红细胞游离原卟啉测定","血清铁测定","血清总铁结合力"]
吗叮啉的药理作用为() ["促进胃排空,增强胃窦和十二指肠运动","减少胃酸和胃蛋白酶分泌","促进胃粘膜血流,刺激胃粘液分泌","防止氢离子反渗,促进胃粘液分泌","减少胃酸分泌,延缓胃排空"]
中度二尖瓣狭窄()出现跨瓣压差时主动脉瓣狭窄面积在()出现跨瓣压差时二尖瓣狭窄面积在() ["1.5~2.0cm2","≤2.0cm2","≤1.5cm2","≤1.0cm2","2.0~2.5cm2"]
清蛋白含量明显减低可见于() ["自身免疫病","急性肝炎","严重肝硬化","糖尿病","贫血"]
地中海贫血的外周血红细胞特点为() ["红细胞形态为小细胞","红细胞形态为小细胞低色素","红细胞形态为正细胞正色素","红细胞形态为小细胞高色素","红细胞形态为大细胞"]
婴幼儿最常见的肺炎()年长儿多见,肺部体征常不明显()脓胸、脓气胸的肺炎()