腮腺炎的声像图表现是() ["A．不同程度的弥漫性肿大","B．急性期轮廓不清，呈低回声","C．腮腺血流信号增多","D．慢性期界限清晰，呈强回声","E．以上都是"]
阻塞性睡眠呼吸暂停低通气综合征
溃疡病患者应慎用或忌用的是() ["A．泼尼松","B．阿司匹林","C．胃蛋白酶","D．硫酸亚铁","E．丙胺太林"]
甲状腺炎声像图表现是() ["A．甲状腺缩小，回声增强","B．弥漫性甲状腺肿大回声无改变","C．甲状腺内多个无回声","D．弥漫性甲状腺肿大回声减低","E．甲状腺体积增大，回声增强"]
颈总动脉分叉处彩色多谱勒血流显像的正常变异是() ["A．彩色血流呈明显的五彩镶嵌","B．分叉处靠近膨大部有一些颜色不一的翻转彩色血流","C．彩色血流明显变细或时有时无","D．血流的彩色信号完全翻转","E．血流完全中断"]
低通气指数
