提高直肠癌诊断率的首要措施是（）。 ["粪便隐血试验","钡剂灌肠检查","直肠指检","乙状结肠镜检查","CEA测定"] 属于“十九畏”的配伍药组的是（）。 ["川乌与草乌","桃仁与红花","官桂与赤石脂","乌头与贝母","甘草与甘遂"] 结胸证的证候特点是（） ["按之濡","按之痛","寸脉浮","关脉小细沉紧","关脉沉"] 可排除糖尿病的最大HbA1应小于（） ["10%","9%","8%","6%","5%"] 婴幼儿骨穿宜选用的部位是（） ["髂后上棘","髂前上棘","胫骨外侧","胸骨","腓骨"] 观察病情时，若见病人面色为黄色，则为（）