Basics In Parasitology And Entomology Question Paper

Basics In Parasitology And Entomology

Course:Bachelor Of Science In Public Health

Institution: Kenyatta University question papers

Exam Year:2012

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2011/2012
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE
IN POPULATION HEALTH
PPH 201: BASICS IN PARASITOLOGY AND ENTOMOLOGY
DATE: Monday 26th March, 2012 TIME: 2.00 p.m. – 4.00 p.m.
_______________________________________________________________________________
SECTION A – Answer ALL questions.
1.a)Draw and label the body parts of a cestode. [3 marks]

b)Outline three reasons that make the physiology of cestodes important.[3 marks]

c)(i)Distinguish between diffuse cutaneous leishmaniasis and mucocutaneous
leishmaniasis. [2 marks]

(ii)Describe briefly the characteristics of a positive blood stained smear for
leishmaniasis. [5 marks]

d)Give the economic importance of the following arthropods:
(i)Brown recluse spider [2 marks]
(ii)Assassin/Reduviid bugs [3 marks]
(iii)Itch mites [2 marks]

SECTION B – Answer question 2 and any other TWO questions.

2.You are the head of malaria programme in Kenya. To effectively implement the program
activities you need to understand malaria parasite and its transmission. In this light, discuss the parasite Plasmodium falciparum and human malaria parasite lifecycle.[20 marks]

3.Schistosomiasis (bilharzia) is one of the important causes of morbidity worldwide. Discuss this statement with focus on Schiscosoma haematobium.[15 marks]

4.Discuss the population health implications of the parasite Wuchereria bancrofti.
[15 marks]

5.Describe myiasis and the various types of this condition.[15 marks]

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