简述隐鞭虫病的症状和病理变化。
A person has suffered a laceration of the arm. Severe bleeding has been controlled by using a sterile dressing and direct pressure. What should you do next? （） ["Apply a tourniquet to prevent the bleeding from restarting","Apply a pressure bandage over the dressing","Remove any small foreign matter and apply antiseptic","Administer fluids to assist the body in replacing the lost blood."]
以下关于个人结汇和购汇，描述正确的是（）。 ["个人年度总额内的结汇和购汇，必须凭本人有效身份证件，不可代办","个人年度总额内的结汇和购汇，可以委托其直系亲属代为办理","超过年度总额的购汇.结汇以及境外个人购汇，可以凭相关证明材料委托他人办理","超过年度总额的购汇.结汇以及境外个人购汇，可以委托其直系亲属代为办理，但不可委托其他人办理"]
简述隐鞭虫病的病原。
橱窗分析法属于（）。 ["个人自我评价方法","生涯机会评估","职位分析方法","自我定位方法"]
废氯吸收装置的开车准备工作有哪些？
