患儿男，9岁。检查发现红细胞和血红蛋白均明显低于正常，诊断为钩虫引起的失血性贫血。有利于该抗贫血药物吸收的因素是合用（） ["抗酸剂","维生素C","四环素","氧化性物质","草酸盐"]
发生急性梗阻性胆管炎最常见的原因是（）。 ["肿大胆囊压迫胆总管","胆总管结石","胆总管狭窄","肝脓肿合并出血后阻塞胆管","胆总管肿瘤合并梗阻"]
预防食管胃底静脉破裂出血可采用（） ["硫糖铝","奥美拉唑","心得安","结扎肝动脉","肝叶切除"]
长期服用非甾体抗炎药物者预防消化道出血可采用（） ["硫糖铝","奥美拉唑","心得安","结扎肝动脉","肝叶切除"]
骨髓象不同而血象相似的疾病是（） ["多发性骨髓瘤和浆细胞白血病","PNH和再生障碍性贫血","缺铁性贫血和巨幼细胞性贫血","类白血病反应和慢性粒细胞白血病","传染性淋巴细胞增多症和慢性淋巴细胞白血病"]
散锋用笔
