光化学第一定律
肝棘球蚴病的影像表现不正确的是() ["A.平扫病灶呈大小不一,单发或多发,呈圆形或类圆形,有时呈浅分叶
","B.病灶边缘光整、清晰,囊壁密度略高于肝组织,钙化或合并感染时壁明显增厚
","C.囊内密度均匀一致,增强后无强化
","D.母囊内可见子囊,子囊的数目和大小不一
E.无钙化的子囊密度可高于母囊"]
不属于胃液成分的是() ["盐酸","黏液","胃蛋白酶原","内因子","羧基肽酶"]
急性异位妊娠休克患者() ["腹腔镜","剖腹探查","中药","刮宫","催产素静滴"]
胆总管重度扩张并且在胰头下方突然截断消失,考虑() ["A.胆总管炎症
","B.胰腺(头)癌
","C.慢性胰头炎
","D.胆总管囊肿
E.十二指肠憩室"]
大气温度层结