Autoinfection can be caused by all the following helminths except:
Enterobius vermicularis
Hymenolepis nana
Taenia solium
Ascaris lumbricoides
Ans: D. Ascaris lumbricoidesAutoinfection:Infection of a primary host with a parasite, paicularly a helminth, in such a way that the complete life cycle of the parasite happens in a single organism, without the involvement of another host.Primary host is at the same time the secondary host of parasite.Autoinfection is seen in (CHEST)Cryptosporidium parvumdegHymenolepis nanadegEnterobius vermicularisQStrongyloides stercoralisdegTaenia soliumdeg