心肌梗死患者最早、最突出的临床表现为()。 ["发热","心动过速","恶心、呕吐","疼痛","低血钾和休克"]
肝性脑病患者不应给予的治疗是() ["肥皂水灌肠","静点葡萄糖","给予谷氨酸钾或谷氨酸钠","静点精氨酸","鼻饲50%硫酸镁"]
患儿女,孕32周顺产。生后3天出现吸吮无力,哭声低微、反应差,双下肢硬肿,皮肤黄染,体温32℃。考虑可能性较大的诊断是() ["A.新生儿溶血病","新生儿寒冷损伤综合征","新生儿败血症","新生儿颅内出血","新生儿胆红素脑病"]
2D-PC-MRA的特点不包括() ["仅血流呈高信号","采集时间短","可用于显示需极短时间内成像的病变","亦可用于筛选流速成像","多用于动脉系成像"]
患者,王先生,50岁,患肝硬化已3年,常有刷牙出血,皮肤反复出现出血点,查血小板180×109/L,出血原因是() ["凝血因子减少","维生素C缺乏","毛细血管壁通透性增强","DIC","血小板功能不好"]
不安全环境和员工行为的种类有哪些?