Which of the following parasite does not enter into the body by skin penetration :: (A) Dracunculus, (B) Necatar Americana, (C) Ancylostoma duodenale, (D) Stronglyoides
Answer is A. Ans. is 'a' i.e. Dracunculus Dracunculus enters the body through ingestion of Cyclops along with water.Mode of entry of intestinal nematodes:* Ingestion of eggs-Ascaris & Trichuris trichiura* Skin penetration by 3rd stage larva-Ancylostoma duodenale* Ingestion of uncooked meat-Necator Americana Strongyloides stercoralis Trichinella spiraliscarrying the larva * Mode of entry of tissue nematodes:* Dracunculus-Drinking water containing cyclops* W. bancrofti-Mosquito bite* B. Malayi-Mosquito bite* Loa - Loa-Deerflies* Onchocerca volvulus-Blackfly