Iph2207:Medical Parasitology Question Paper
Iph2207:Medical Parasitology
Course:Bachelor Of Science In Public Health
Institution: Meru University Of Science And Technology question papers
Exam Year:2012
SINSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – (30 MARKS)
(a) Parasites of medical importance belong to the Kingdom called Protista and animalia.
Giving examples, distinguish between:
(i) Protozoans. (3 Marks)
(ii) Helminthes (3 Marks)
(b) Distinguish between definitive hosts and intermediate hosts in parasitic infections.
(4 Marks)
(c) With the aid of a diagram, describe the life cycle of echinococcus granulosus, the dog
tapeworm. (8 Marks)
(d) List five different preventive measures designed to break transmission cycles in different
parasitic infections. (5 Marks)
(e) Differentiate between ectoparasites and endoparasites. (4 Marks)
(f) Give sample type needed for diagnosis in cases of infection by;
(i) Schistosoma haematobium. (1 Mark)
(ii) Amoeba abscess of the lung (1 Mark)
(iii) Kala-azar (1 Mark)
QUESTION TWO – (20 MARKS)
A tour in Meru National Park left public health students worried about infection by tsetse fly.
Since they had used brightly coloured pick up, each of them received a bite from this parasite.
Outline the
2
(i) Pathology of the subsequent disease. (10 Marks)
(ii) Prevention and control methods available in Kenya. (10 Marks)
QUESTION THREE – (20 MARKS)
(a) Giving examples, outline three types of symbiotic relationships that exist during hostparasite
interactions. (10 Marks)
(b) Discuss pathogenesis as a result of infection by schistosoma Mansonii. (10 Marks)
QUESTION FOUR – (20 MARKS)
(a) Outline the direct and indirect effects of parasite on host. (5 Marks)
(b) Laboratory diagnosis of parasitic infections is done depending on the nature of the
parasitic infection. Discuss different specimens selected for laboratory diagnosis of
different parasitic diseases. (15 Marks)
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