为达到审美要求,不能采用以下哪一种措施来调整缺牙间隙过窄() ["将桥体适当扭转","将桥体与邻牙重叠","桥体突度增加","改变颊嵴的位置","适当多磨除缺牙区邻近的基牙邻面"]
下列哪项可诊断亚临床甲减() ["血清FT3、FT4减低,TSH正常","血清FT3、FT4减低,TSH减低","血清FT3、FT4正常,TSH减低","血清FT3、FT4正常,TSH增高","血清FT3、FT4减低,TSH正常"]
患者,中年男性,有咳嗽、发热、体重减轻。查体有左锁骨上淋巴结肿大,伴胸腔积液。行积液检查。若积液CEA/血清CEA>4.3,多提示下列何种疾病() ["A.癌性积液","结核性积液","胸膜炎","风湿性积液","充血性心力衰竭"]
CR成像时,将光信号转化为电信号的是(). ["IP","FPD","光电倍增管","摄像机","非晶硒"]
猪宰后检疫必检部位有()。 ["A、体表观察","B、内脏检验","C、旋毛虫检验","D、品质检验"]
简述汽车自诊断系统的功能?