疑似糖尿病患者最有诊断价值的检查是() ["任意时间血糖","口服葡萄糖耐量试验","餐后2小时尿糖","24小时尿糖定量","空腹尿常规"]
下同能量的电子束,有效治疗深度(cm)约为电子束能量(MeV)的多少()。 ["1/3~1/2","1/3~2/3","1/3~1/4","1/4~2/3","1/5~1/4"]
止血的机制是() ["凝血因子参加","组织损伤释放血小板第Ⅲ因子及凝血因子Ⅲ,促使Ⅻ因子活化","二磷酸腺苷促进血小板聚集","受损部位血流缓慢","局部血管收缩"]
下列关于(GERD)的叙述,正确的是() ["病变不会导致咽部及气道的组织损害","男性多于女性","内镜下均表现为炎症病变","必定伴随有酸、胆酸或胰酶的反流","义称为反流性食管炎"]
在照射野边缘挡铅块可减少何种半影()。 ["几何半影","穿射半影","散射半影","以上都是","以上都不是"]
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