患者，男，21岁，农民，近一月来上腹隐痛不适，解黑粪三天，多次手上，足趾皮疹。查中度贫血。首选的治疗药物是() ["A．硫氯酚","B．乙胺嗪","C．吡喹酮","D．甲苯达唑","E．槟榔"]
患者，男，21岁，农民，近一月来上腹隐痛不适，解黑粪三天，多次手上，足趾皮疹。查中度贫血。该病人最可能的诊断是() ["A．血吸虫病","B．华支睾吸虫病","C．钩虫病","D．并殖吸虫病","E．肠炎"]
血吸虫的感染期幼虫()钩虫的感染期幼虫()绦虫的感染期幼虫()并殖吸虫的感染型是() ["A．杆状蚴","B．丝状蚴","C．囊蚴","D．尾蚴","E．囊尾蚴"]
掏虫法
地痒疹
钩虫成虫所引起主要临床症状是什么?
