【多选题】On a routine visit to the physician, an otherwise healthy 51-year-old man has a blood pressure of 150/95 mm Hg. If the patient's hypertension remains untreated for years, Which of the following cellul...
【单选题】If cerebral perfusion is below 70mmHg in an adult(threshold levels have not been determined for children), alpha agonists such as norepinephrine can be used to raise mean arterial blood pressure and t...
A.
如果脑灌注压在成人中低于 70mmHg: 儿童的阈值水平尚未确定,受体激动剂如去甲肾上腺素可用來提高平均动脉压和增加脑灌注压。
B.
如果成年人的脑灌注压低于 70mmHg: 儿童的阈值水平尚未确定,那么受体激动剂如去甲肾上腺素就可以用来提高患者平均动脉压,从而增加脑灌注压 。
【单选题】女性,32岁,剖宫产术后3天,突发气促,大汗1小时来院.立即予以面罩氧气吸入(吸入氧浓度50%),症状无改善。查体:血压140∕90mmHg,呼吸38次∕分,口唇发绀,双肺满布湿啰音和少量哮鸣音,血象WBC11.3×10 9 ∕1,N87%。血气分析:pH7.324,PaO 2 50mmHg,PaCO 2 34mmHg。为进一步明确诊断,下列哪项最有助于鉴别急性呼吸窘迫综合征与心源性肺水肿()。
【判断题】switch语句的case分支可以使用复合语句、多个语句序列。
【简答题】Do the statements below agree with the information in the Reading passage? Write: TRUE if the statement is true FALSE if the statement is false NOT GIVEN if the information is not given in the p...
【单选题】我国高速铁路隧道的线间距目前暂定为()。