早期胃癌术后最常见的复发部位是() ["局部吻合口","残胃","腹膜","淋巴结","盆腔"]
为预防结核病在某学校进行卡介苗补种工作。对于卡介苗,师生们有各种解析,你认为哪种是正确的() ["无毒牛型结核杆菌活菌,能减少感染后的发病和减轻病情严重性","无毒牛型结核杆菌死菌,能减少感染后的发病和减轻病情严重性","无毒人型结核杆菌活菌,能预防结核杆菌感染","无毒牛型结核杆菌活菌,能预防结核杆菌感染","减毒牛型结核杆菌死菌,能预防结核杆菌感染"]
根据国内外资料统计,肾癌约占全身恶性肿瘤的() ["30%","50%","70%","90%","11%"]
简单架可求得() ["前伸
平衡","正中
平衡","侧方
平衡","以上均可","以上均不可"]
28岁孕妇,停经3个月,宫底于脐耻之间,为明确诊断最好应做何种检查?() ["检血HCG","胎盘生乳素测定","B超检查","X线检查","羊水甲胎蛋白测定"]
硝化作用