间接致癌物包括() ["A．多环芳香烃 ","B．酰化剂 ","C．烷化剂 ","D．亚硝胺类 ","E．黄曲霉毒素 "]
下列哪些是筛查肿瘤的选择应具备的基本条件() ["A．发病率和死亡率较高，危害较大 ","B．筛查发现的癌前病变经过有效治疗可降低其发病率 ","C．有简便可靠的筛查方法发现早期癌 ","D．早期确诊后应有确实有效的治疗方法，预期降低死亡率 ","E．发病率经过较长，有明确的筛查对象 "]
躯体感觉诱发电位重复两次检查，其峰潜伏期差不得() ["A．＜1ms ","B．＜0.6ms ","C．＞0.5ms ","D．＞0.7ms ","E．＜0.8ms"]
有生物反应调节作用的中药是() ["A．扶正女贞素 ","B．枸杞多糖 ","C．白花蛇草 ","D．香菇多糖 ","E．冬虫夏草 "]
黄疸时巩膜和皮肤较易被黄染是因为它们富含与胆红素亲和力较强的__________。
肝细胞性黄疸血清中酯型胆红素_____，非酯型胆红素_____，尿中尿胆原_____、尿胆红素_____。粪色_____。
