【单选题】下面对神经安定、镇静催眠、静脉全麻等类药用于术后镇痛的叙述中不正确的是()。
A.
α 2 受体激动剂可乐定也是目前术后较常用的辅助镇痛药
D.
用于镇静、抗焦虑治疗的药物有神经安定类、镇静催眠类药物
【单选题】某孕妇,现孕32周,长时间仰卧后,出现了仰卧位低血压综合征,主要原因是
【单选题】某孕妇现孕32周,长时间仰卧后血压下降,主要原因是
【单选题】下面对神经安定、镇静催眠、静脉全麻等类药用于术后镇痛的叙述中错误的是()
B.
用于镇静、抗焦虑治疗的药物有神经安定类、镇静催眠类药物
D.
α受体激动剂可乐定也是目前术后较常用的辅助镇痛药
【单选题】具有镇静、催眠、抗焦虑作用,常用于治疗焦虑症的镇静催眠药是
【单选题】具有镇静、催眠、抗焦虑作用 ,常用于治疗焦虑症的镇静催眠药是
【判断题】毒物对细胞的损伤机制目前可分为初级、次级、和三级事件,其中三级事件描述宏观现象,而初级和次级级事件描述微观现象。( )
【单选题】— Mum, I've got a headache. — You _____ long, dear. Go out and take a break. [ ]
【单选题】You have chosen to take a trip during Spring Break. If you had not gone, you would either have worked at a temporary job or studied for exams. The opportunity cost of your trip is
A.
the wages you would have earned from working.
B.
the lower grade earned by not studying.
C.
the wages you would have earned from working and the lower grade earned by not studying.
D.
the value of the trip.
E.
We cannot determine what the opportunity cost is without knowing which alternative, working or studying, you would have preferred.