A.豬帶絳蟲(chóng) B.鞭蟲(chóng) C.血吸蟲(chóng) D.旋毛蟲(chóng) E.鉤蟲(chóng)
A.蟲(chóng)卵 B.桿狀蚴 C.絲狀蚴 D.成蟲(chóng) E.以上階段均可引起感染
A.十二指腸鉤蟲(chóng)體形呈"C"形,美洲鉤蟲(chóng)呈"S"形 B.十二指腸鉤蟲(chóng)有尾刺,美洲鉤蟲(chóng)沒(méi)有 C.十二指腸鉤蟲(chóng)口囊有兩對(duì)鉤齒,美洲鉤蟲(chóng)口囊有一對(duì)板齒 D.北方以美洲鉤蟲(chóng)流行為主,南方以十二指腸鉤蟲(chóng)流行為主 E.美洲鉤蟲(chóng)壽命一般長(zhǎng)于十二指腸鉤蟲(chóng)