第17题: [单项选择]氨是对人体有毒的物质,在血液中一般不超过0.1mg/L,最终以尿素的形式排出体外。若将实验动物的肝脏切除,血液中的氨浓度及尿素含量变化分别是() A. 增加,增加 B. 减少,减少 C. 增多,减少 D. 减少,增加 参考答案:C 答案解析:氨基酸在代谢过程中,会通过脱氨基作用产生含氮部分和不含氮部分,其中含氮部分会在人体肝细胞中转变成尿素,因此若将实验动物的肝脏切除,血液中的氨浓度将增多,尿素含量将减少。
第19题: [单项选择]不管保险事故发生在何时,只要被保险人在保险期内提出索赔,保险人即负责赔偿的责任保险方式称为()。 A. 期内发生式 B. 期内通知式 C. 期内赔付式 D. 期内索赔式 参考答案:D 答案解析:在责任保险中,期内发生式是指只要保险事故发生在保险期内,不论索赔何时提出,保险人均负责赔偿。期内索赔式是指不管保险事故发生在何时,只要被保险人在保险期内提出索赔,保险人即负责赔偿。
第20题: [多项选择]Games in your childhood 参考答案: Indeed, games are the most important part of childhood. I am only keen on playing hide-seek. It seems all kids in the world like playing this game. One child kept eyes closed, the others run away and find somewhere to hide himself. If any kids was found by the eyes-closed kid, he would be the eyes-closed one. Nobody wanted to be the one. So we made effort to hide ourselves. I guess the reason why we like this game is “discover the unknown” everybody has the interest in finding something we don’t know. And this is also the reason for people to make progress. One more thing, when we were running, it helped us to keep fit.
第35题: [单项选择]心源性哮喘应首选下列哪种药物() A. 异丙肾上腺素 B. 去甲肾上腺素 C. 肾上腺素 D. 多巴胺 E. 哌替啶 参考答案:E 答案解析:心源性哮喘是由于左心衰竭和急性肺水肿等引起的发作性气喘,其发作时的临床表现可与支气管哮喘相似。心源性哮喘,既往有高血压或心脏病史,哮喘时,伴有频繁咳嗽,咯泡沫样特别是血沫样痰,心脏扩大,心律失常和心音