The Pinworm,Enterobius Vermicularis,is the Most Common Nematode Parasite in Developed

question 4

Multiple Choice

The pinworm,Enterobius vermicularis,is the most common nematode parasite in developed countries because the life cycle of this parasite is relatively easy to complete and reinfection and transmission between hosts readily occurs.All of the following,EXCEPT ONE,are attributes of the life cycle that help this parasite thrive.

• A)There is no intermediate host.
• B)Eggs are very small and easily contaminate bed clothes and linens.
• C)Eggs are ingested after sewage contaminates drinking water.
• D)Gravid females deposit eggs in the perianal area at night creating an itching sensation.

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