[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fQGPtLhJwRubpcvUGQNDZ5ZW7Crf-cS24UA9mfk_YJ-o":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-09-27 15:55:25",98516406,[8,9,10,11],"奇数电子,低化学活性,生物半衰期极长,有顺磁性","奇数电子,高化学活性,生物半衰期极长,有顺磁性","奇数电子,高化学活性,生物半衰期极短,有顺磁性","奇数电子,低化学活性,生物半衰期极短,有顺磁性",{"courseId":13,"courseImg":14,"courseName":15},"3f9ca6b064605d3b03656955d9c66428","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdb3a5eb6177bf85ad556cb52c242afa2.jpg","食品毒理学","自由基的特性为( )",[18,29,38,47,56,65,68,74,83,92],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],98516400,[22,23,24,25],"处于解离状态化合物其脂水分配系数较非解离化合物的大","在同系化合物中,对于在水中溶解度越大的化合物,由于其较易随尿排出体外,故毒性越小","脂溶性物质易在脂肪蓄积,故肥胖者对脂溶性毒物的耐受性总是较强的","化学物的脂水分配系数越大,则越容易以简单扩散的方式通过细胞膜","关于脂水分配系数,下列说法正确的是( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],98516401,[33,34,35,36],"CHCl3","CH2Cl2","CCl4","CH3Cl","甲烷(CH4)若用Cl取代CH4上H后,其毒性最大的是( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],98516403,[42,43,44,45],"加强作用","协同作用","相加作用","拮抗作用","有的化学物的交互作用可引起化学物的代谢酶系发生变化,例如马拉硫磷与苯硫磷联合作用,可对大鼠增毒达10倍、狗为50倍.其机理可能是苯硫磷可抑制肝脏分解马拉硫磷的酯酶.那么,马拉硫磷与苯硫磷的联合作用表现为( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],98516404,[51,52,53,54],"对位>间位>邻位","对位>邻位>间位","间位>对位>邻位","邻位>间位>对位","化学物的同分异构体之间的毒性不同,一般来说( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],98516405,[60,61,62,63],"化合物的化学结构决定理化性质","理化性质决定化合物的生物活性","化合物的生物活性决定该化合物的化学活性","化合物的化学结构决定其化学活性及其理化性质","化学结构对毒效应的影响下面哪项描述最准确( )",{"answer":66,"createTime":5,"id":6,"options":67,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":69,"createTime":5,"id":70,"options":71,"question":73,"source":27,"type":28},[],98516408,[44,43,45,72],"独立作用","肟类化合物和有机磷化合物竞争与胆碱酯酶的结合,致使有机磷化合物毒性效应减弱.那么,肟类化合物与有机磷化合物的联合作用表现为( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],98516409,[78,79,80,81],"化学毒物在对机体毒作用方面存在竞争作用","化学毒物各自作用的受体、靶不同,出现各自不同的毒效应","化学毒物在化学结构上为同系物","化学毒物毒作用的靶器官相同","两种或两种以上化学毒物作用于机体表现出独立作用,主要是由于( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],98516410,[87,88,89,90],"超氧化歧化酶(SOD)","过氧化氢酶(CAT)","GSH-Px","GSH","体内消除自由基的酶性系统不包括( )",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":27,"type":28},[],98516412,[96,97,98,99],"某些结合反应不可逆转","解毒酶失活","解毒能力耗竭","解毒过程中产生潜在有害副产物","解毒过程失效的原因"不包括""]