11.可能與嬰兒肉毒中毒有關的食品是（　　　）

A.奶粉                                                           B.米粉

C.蜂蜜                                                           D.果汁

12.引起嬰幼兒和旅游者腹瀉的大腸埃希菌是（　　�。�

A.腸產毒性大腸埃希菌                                  B.腸出血性大腸埃希菌

C.腸侵襲性大腸埃希菌                                  D.腸致病性大腸埃希菌

13.霉變甘蔗中毒主要損害（　　�。�

A.消化系統(tǒng)                                                    B.泌尿系統(tǒng)

C.中樞神經系統(tǒng)                                             D.循環(huán)系統(tǒng)

14.毒蕈中能夠拮抗阿托品作用的有毒成分是（　　�。�

A.毒蠅堿                                                       B.毒傘肽

C.致幻素                                                       D.鹿花菌素

15.引起苦杏仁中毒的有毒成分是（　　�。�

A.龍葵素                                                       B.皂甙

C.氰甙                                                           D.植物紅細胞凝集素