仅能抗肢体重力而不能抗阻力活动关节()。 ["0级肌力","Ⅰ级肌力","Ⅱ级肌力","Ⅲ级肌力","Ⅳ级肌力"]
菌痢的潜伏期为() ["1~2天","3~4天","4~5天","6~7天","7天以上"]
跟腱反射()。 ["骶1~2","腰2~4","颈5~6","颈6~7","颈7~8"]
患儿,男,8个月。素来体弱,泄泻2天,大便日行20余次,质稀如水,精神萎靡,时而烦闹,皮肤干燥,囟门凹陷,啼哭无泪,小便量少,舌红少津。其治法是() ["健脾温阳,助运止泻","健脾益气,酸甘敛阴","补肾滋阴,平肝降火","补肾温阳,涩肠止泻","挽阴回阳,救逆固脱"]
患者男,59岁。晨练时突发心前区绞痛,大汗淋漓,呕吐,晕厥。急诊入院。医嘱:实验血CPK(磷酸激酶)检查。采血时的正确操作是() ["采血后避免震荡以防止溶血","采血量为10ml","迅速将血液全部注入试管内","在静脉留置针出采血","采血后立即更换无菌针头"]
烃类的粘度与其化学组成结构的有何关系?