NATIONAL OPEN UNIVERSITY OF NIGERIA1234
Plot 91, Cadastral Zone, Nnamdi Azikiwe Expressway, Jabi – Abuja
Faculty of Health Sciences
Department of Environmental Health Sciences
2020_2 EXAMINATION
Course Code: EHS303
Course Title: General Parasitology
Course Units: 2 Credit Units
Time Allowed: 2 Hours
Total Score: 70 Marks
INSTRUCTION: Answer ALL the Questions
1a. Give a cogent reason in the comparison of a host and its parasite phylogeny. (3 marks)
1b. Discuss on the exhibition of spatial relationship in the Physiology of parasites. (5 marks)
1c. Explain Pathogenesis and Virulence in relation to parasites Trade-offs. (7marks)
1d. Describe the Physiology of parasites. (5marks)
2a. State three main types of Parasites (6marks)
2b. Highlight on the basic differences between Endoparasitism and Epiparasitism (9 Marks)
2c. Outline five (5) major transmission routes of parasite infection in humans. (5Marks)
2d. List the common species of schistosoma that are dangerous to humans. (5 marks)
3a Enumerate the different Plasmodia species of medical importance. (6 marks)
3b. Sate the main differences between Schizogony and Sporogony in the transmission cycle
of mosquitoes. (6 Marks)
3c. Discuss the Parasitic Pathology (8 Marks)
3d. Comment on the role of vitamin A Supplement in the Treatments of Malaria infection.
(5Marks
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