【简答题】A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives (档案馆) by the FBI after being stolen twice. “We realized in the mid-1970s that it was missing,” says...
【简答题】张某,男,39岁,已婚,工人。于2006年1月10日就诊。患者2年前因劳累后出现头晕、头重,休息后缓解,不伴头痛、呕吐,当时血压165/100mmHg,服"尼群地平"、"天麻丸"后缓解,其间反复发作,未做系统检查及治疗。6天前患者劳累后又出现头晕、头重、恶心、乏力、食欲不振,遂来诊。现症见:头晕,头重如蒙,恶心、纳呆,伴视物模糊。既往体健,无传染病史及药物过敏史。患者平素喜食肥甘。查体:T36.2...
【简答题】A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives(档案馆)by the FBI after being stolen twice. “We realized in the mid-1970s that it was missing,” says E...
【单选题】硫酸亚铁铵实验的制备中,将混合液倒入蒸发皿后,加入稀硫酸的目的是
【单选题】病人,男性,20岁,头晕、乏力、恶心、呕吐,血清钠129 mmol/L,血清钾4.6mmol/L,尿比重1、010。根据情况,考虑病人出现的电解质失调为
【单选题】患者男,45岁,因“呕吐血性液2次,晕倒1次”来诊。患者4h前劳累后突然出现剧烈恶心、呕吐,呕出咖啡色液体约1500ml,伴头晕、眼花、耳鸣、黑蒙,晕倒在厕所,被家人发现后急送我院。来院途中再次呕血性液约500ml。10年前曾患乙型肝炎住院,经保肝、支持、对症治疗,3个月后病愈出院。近5年来常感乏力、食欲减退、腹胀,伴牙龈出血和鼻出血,经休息可缓解。查体:T36.5℃,P118次/min,R20次...
【简答题】A letter written by Charles Darwin in 1875 has been returned to the Smithsonian Institution Archives (档案馆) by the FBI after being stolen twice. “We realized in the mid-1970s that it was missing,” says...
【单选题】分析形体,了解形体结构,选择正确的三视图是( )