正常情况下,脑池显像"三叉影像"出现在注入显影剂后() ["1小时","3小时","6小时","24小时","48小时"]
舌前2/3和舌后1/3的分界是() ["界沟","盲孔","轮廓乳头","十状乳头","舌扁桃体"]
闭经按病变区可分以下几种()。 ["下丘脑性闭经","垂体性闭经","卵巢性闭经","子宫性闭经","原发性闭经"]
男性,68岁,因胸痛、呼吸困难以急性广泛前壁心肌梗死合并急性肺水肿入院,下列药物应作为首选的是() ["毛花苷C","吗啡","硝酸甘油","呋塞米","硝普钠"]
男婴10个月,腹泻2d,大便为蛋花汤样,8~10次/日,无腥臭,哭时泪少,尿量明显减少,就诊时间为11月中旬。查体:精神萎靡,皮肤弹性差,眼窝及前囟明显凹陷,查血钠135mEq/L。入院补液种类应选用以下哪项() ["A.等张含钠液","1/3张含钠液","2/3张含钠液","1/5张含钠液","1\/2张含钠液"]
位于胸腔上纵隔内的是()位于腹膜后间隙的是()位于颅中窝内的是()