恶性淋巴瘤的X线表现不正确的是(). ["上纵隔阴影增宽","密度增高且均匀","轮廓清楚且呈波纹状","侧位胸片示:常位于前纵隔","气管旁淋巴结肿大且多为对称性"]
一般认为圆锥型套筒冠义齿各固位体之间产生的固位力和最佳的范围是() ["0.5~10kg","1.0~1.5kg","1.5~2.0kg","2~3kg","大于3kg"]
铲式担架适用于哪种患者() ["头部外伤","心肺复苏","脊柱损伤","骨盆骨折","腹部外伤"]
女,40岁,经量增多3年。妇科检查子宫增大如孕2个月,彩超提示子宫肌瘤较早出现月经不规律的类型是()。 ["A.浆膜下肌瘤","黏膜下肌瘤","肌壁间肌瘤","阔韧带肌瘤","多发性肌瘤"]
对各种螺旋体有较好作用的是() ["青霉素","红霉素","多黏菌素B","异烟肼","磺胺类药"]
汽车的电路原理图具有电路清晰、简单明了、()的特点。