6~7岁的儿童的力平均为() ["10kg","15kg","20kg","25kg","30kg"]
男性,45岁,胸闷呼吸困难1周入院,查肺功能示:VC%为80%,FEV1.0/FVC%为70%,MVV为70%,RV/TLC%为30%,VC25%及VC50%均为70%,TLC为7000ml,下列最可能的是() ["阻塞性通气功能障碍","限制性通气功能障碍","混合性通气功能障碍","小气道功能受损","大气道功能受损"]
有关血清蛋白的描述,正确的是() ["白蛋白属于急性时相蛋白","肝脏每天合成白蛋白约120mg","球蛋白主要与机体的免疫功能和血浆黏度有关","白蛋白的半衰期为15~19d","90%的白蛋白在肝脏合成"]
咀嚼效率与牙齿关系最为密切的是() ["牙齿数目","牙齿排列","牙齿形态","牙齿大小","牙齿的功能性接触面积"]
尿碘中位数下列哪项属最适当的碘营养状态()。 ["50~100μg/L","75~100μg/L","200~250μg/L","200~300μg/L","100~200μg/L"]
患者久病,眼睑开合失司,下肢运动不利。其病在哪经()。患者,女。因流产而失血过多,导致月经不调,久不怀孕。其病在哪经()。