For each of the lesions on the left select the most appropriate parasite from the list on the right

The answer is A, E, B. Visceral cysts containing daughter cysts and scolices are the pathological features of hydatid disease.

In lymphatic filariasis lymphatics are blocked by the adult worms, giving gross lymphoedema and reactive fibrosis of soft tissues. Ocular damage due to the presence of the microfilaria in the eye are the most serious effects ('river blindness').

The adult Opisthorchis attaches to the biliary epithelium, and may promote the development of cholangiocarcinoma (C). Man is the definitive host for T. solium (the pork tapeworm).