【简答题】The names of category prototypes tend to come to mind before those of peripheral examples. Check this hypothesis with two informal tests: Ask one group of friends to name as quickly as they can five t...
【简答题】In mass production, prototypes are also used to test _____ and ergonomics
【多选题】关于多巴酚丁胺的叙述,正确的是( )
B.
激动心脏 β 1 受体,连续应用产生快速耐受性
C.
与异丙肾上腺素相比,正性肌力作用比正性频率作用更显著 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
与其他拟肾上腺素药物相比,增加心输出量的同时,很少引起心肌耗氧量的增加,较少引起心动过速
【单选题】According to the survey,______of the employees believed they were praised as much as expected.
【判断题】When D、o you expeC、t lt to D、epA、rt?你认为何时会起飞?
【判断题】Prototypes are effective tools for communication purposes. When working in a team, prototypes help in building a shared understanding of the design problem and the solutions (ideas and concepts).
【多选题】患者男,68岁。主因右上腹疼痛3年,加重伴寒战、呕吐6小时入院。查体:体温39.9℃,心率140bpm,血压75/50mmHg,呼吸22次/分,神志淡漠,巩膜黄染,无尿。实验室检查:WBC18.6×10/L,HB87g/L。B超显示肝内外胆管扩张,胆总管下段结石。关于该患者的血流动力学支持治疗,哪些叙述是正确的()。
【多选题】关于多巴胺,叙述正确的是()
A.
药理作用是肾上腺素能受体激动效应和外周多巴胺受体激动效应,非剂量依赖性
B.
5~10μg/(kg·min)时主要兴奋β-受体,可增加心肌收缩力和心输出量
C.
10~20μg/(kg·min)时α-受体激动效应占主导地位,使外周血管阻力增加
D.
大剂量[>20μg/(kg·min)]时主要是激动多巴胺受体,有肾血管扩张作用,可用于维持肾血流量或改善肾功能
E.
在补足血容量之后血压仍低,可联合使用正性肌力药物如多巴酚丁胺或其他升压药物如去甲肾上腺素
【单选题】乙基苯在光照条件下进行氯化,一氯代产物中的主要产物是( )