关于CT多方位和三维图像的叙述,正确的是() ["可直接用于影像诊断而不再需要横断面图像","需通过横断面图像的重组才能获得","一般都直接从原始扫描数据重建而成","尚无任何诊断的参考价值","其重组所需时间太长,无实用意义"]
口服毒物中毒后,最常用的吸附剂是()。 ["氢氧化铝","牛奶","鸡蛋清","药用炭","吐根糖浆"]
下列不属于现场常用止血方法的是() ["指压法","加压包扎","加垫屈肢","血管钳钳夹","使用止血带"]
莱姆病流行特征为() ["轻壮年患病率较高","全球发病","全年6~7月达高峰","室外人员危险性大","与职业相关"]
为显示肝内高密度转移灶,窗宽的设置是() ["约在100~250HU","约在0~350HU","约在250~450HU","约在-50~150HU","约在200~500HU"]
煤浆不合格应当怎样调整?