咯血患者禁用下列哪种药物() ["吗啡","垂体后叶素","卡马克络","6-氨基乙酸","镇咳药"]
脉冲式金属探测门的工作原理是涡流产生的()在()中产生电压。 ["A、次极磁场","B、时变信号","C、接受线圈","D、感应电圈"]
患者男,48岁,因“头痛、低热、呕吐15d”来诊。查体:脑膜刺激征阳性。颅脑MRI:脑实质内未见异常,脑膜强化。下一步最需要进行的检查是() ["A.血肿瘤标志物检测","腰椎穿刺检查脑脊液","腹部超声","超声心动图","胸部CT"]
下列侧脑室各部位与脑叶的对应关系正确的是() ["前角对顶叶","体部对额叶","三角区对顶、颞、枕叶交界区","三角区对额、顶、颞叶交界区","三角区对额、顶、枕叶交界区"]
显示配额PNR,使用()指令。 ["A、MBSD","B、MBSL","C、MBSX","D、MBSA"]
PLC的输入/输出继电器采用十六制进行编号,其输入继电器的字符号为()。