婴儿头面烧伤超过多少为重度烧伤() ["5%","3%","25%","10%","80%"]
患儿,4岁。病程迁延,紫癜反复出现,瘀点、瘀斑颜色淡紫,面色少华,神疲气短,食欲不振,头晕心悸,舌质淡,苔薄,脉细无力。治疗首选方剂是() ["小建中汤","大建中汤","八珍汤","归脾汤","四物汤"]
以下的修复体设计,有利于牙周健康的是() ["颊、舌面过突的外形高点","后牙邻面的接触区位于中央沟的颊侧","后牙邻面的接触区位于中央沟的舌侧","宽大的后牙邻面的接触区","以上都不是"]
不属于阵发性室上性心动过速临床特点的是()。 ["突发突止","心率>150次/分","心律绝对规则","第一心音强弱不等","大部分由折返机制引起"]
用于线源污染监测的布点方法是() ["四周布点","扇形布点","捕捉烟波布点","几何状布点","沿道路布点"]
脾脏的基本功能包括(),(),(),()。