Calabar swellings seen in:: (A) Ascaris, (B) Hymenolepis, (C) Loa Loa, (D) Strongyloides
Answer is C. Calabar swellings are localized subcutaneous edemas, a type of inflammatory reaction brought about by a host response to the worm or its metabolic products. Argyll-Robeson described the adult worms of LOA LOA that he extracted from the eye of a woman who had resided at Old Calabar in West Africa.