Dzoo 021: Medical Parasitology Question Paper
Dzoo 021: Medical Parasitology
Course:Medical Laboratory Sciences
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2012(DAY) EXAMINATIONS
SCHOOL : MEDICINE & HEALTH SCIENCES
DEPARTMENT : MEDICAL LABORATORY SCIENCES
UNIT CODE : DZOO 021
UNIT TITLE : MEDICAL PARASITOLOGY
TIME : 3HOURS
INSTRUCTIONS: Answer ANY TWO Questions in Section A and ALL Questions in Section B and C
SECTION A
QUESTION ONE
Briefly describe the cause of hyrocoele in severe lymphatic filariasis. (15marks)
QUESTION TWO
Discuss the life cycle of anopheles mosquitoes. How would you differentiate the larve of anopheles from those of culex mosquitoes. (15marks)
QUESTION THREE
Briefly discuss methods commonly used for controlling malaria. (15marks)
SECTION B
QUESTION ONE
What form of schistosomiasis is transmitted by biomphalaria snails? (2marks)
QUESTION TWO
What condition can infection with onchocerca volvulus cause? (2marks)
QUESTION THREE
Most trematods are hymophroditic. Which one is dioecious? (2marks)
QUESTION FOUR
What organism causes amoebic dysentery? (2marks)
QUESTION FIVE
Give an example of a liverfluke that can affect humans. (2marks)
QUESTION SIX
Which area in Kenya is Echinococcus granulosus common? (2marks)
QUESTION SEVEN
Nematodes are leaf-like flat worms. (2marks)
QUESTION EIGHT
Schistosoma mansoni is highly prevalent in Northern Kenya. (2marks)
QUESTION NINE
Protozoa are single celled organisms. (2marks)
QUESTION TEN
Trichomonas varginalis may be transmitted sexually. (2marks)
SECTION C
The following statements are either "True (T) or "False" (F). State clearly whether "T" or "F". One mark will be deducted for every wrong response.
1. A commenual is a parasite that benefits but causes no harm to the host
2. An ectoparasite lives in the liver of host
3. A definitive host is where a parasite undergoes asexual multiplication.
4. An obligate parasite may employ either free living or parasitic living.
5. Erratic parasite is one that wanders into an organ where it is not usually found.
6. An example of asexual multiplication of an organism is simple binary fission.
7. Nematodes are leaf-like flat worms
8. Schistosoma mansoni is highly prevalent in Northern Kenya
9. Protozoa are single celled organisms
10. Trichomonas vaginalis may be transmitted sexually
11. Infection by hookworms is through the oral route.
12. Some intestinal protozoa are beneficial to the host
13. The common name for trichuris trichivira is "whip worm".
14. Ascaris lubricoides are tape worms
15. Bulinus snails are the intermediate host of schistosoma
Haematobium.
16. Schistosoma haematobium is the most common species in Mwea
Irrigation Scheme.
17. Anopheles mosquitoes rest at an angle to the surface.
18. Musca domestica (common housefly) is the vector of
trypanosomiasis in Kenya.
19. Paederus beetles (Nairobi eye) introduce toxins through proboscis.
20. Chloroquine is the common drug for treating microplariae.
More Question Papers