前列腺增生可继发的疾病声像图，表现为（） ["膀胱小梁小房形成","肾积水","膀胱结石","输尿管尿液逆流","以上均是"]
在处理阑尾时病人主诉恶心.胃痛，血压90/35mmHg，心率52次/分。上述反应的主要原因是（） ["A.牵拉内脏反应（迷走神经反射）","低血压","缺氧","局麻药反应","精神因素"]
儿童在几岁时龋病多发于乳磨牙面的窝沟（） ["1.～2","2～3","3～4","4～5","5～6"]
门静脉高压症病人，实行分流术，哪一项是正确的（） ["病人有明显黄疸","血清白蛋白低于50g/L时不宜进行","适用于食管、胃底静脉曲张破裂出血的病人","适用于严重腹水病人","术后不会再发生胃底、食管静脉曲张"]
侵蚀性葡萄胎可以发生于（） ["葡萄胎以后","流产以后","足月产以后","异位妊娠以后","过期流产以后"]
阴罐水气输送的作用：阴罐下部进水松动树脂，顶部进气形成的（）把树脂送出。
