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Parasitology 1 Question Paper

Parasitology 1

Course:Bachelor Of Science In Biotechnology

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2010

MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY
(MMUST)
UNIVERSITY EXAMINATIONS 2009/2010 ACADEMIC YEAR
THIRD YEAR SECOND SEMESTER EXAMINATIONS
FOR THE DEGREE OF
BACHELOR OF SCIENCE IN BIOTECHNOLOGY, BIOLOGY AND EDUCATION SCIENCE
COURSE CODE: SZL 322
COURSE TITLE: PARASITOLOGY I
DATE: 20th April 2010

INSTRUCTIONS
• Answer ALL questions one in section A and any two questions in section B.
Illustrate your answers with diagrams where appropriate.

SECTION A Answer ALL questions (40 marks)
1. Suggest five preventive/ control measures that can be applied to stop the spread of human schistosomiasis in a rural community. (5 marks)

2. Define the following terms; (5 marks)
a) Visceral larva migrans
b) Copulatory bursa
c) Gynaecophoric canal
d) Holdfast organ
e) Cervical alae

3. Describe a suitable parasitological technique for the diagnosis of lymphatic filariasis. (5 marks)

4. State five adaptive features/characteristics of helminthes that enable them to live successfully as parasites. (5 marks)

5. Describe the life cycle of Fasciola hepatica. (5 marks)

6. State five disadvantages of chemotherapy in parasitic disease control. (5 marks)

7. With the aid of a labelled diagram describe the morphology of adult Echinoccocus granulosus. (5 marks)

8. Name the ineffective stage of the following helminth parasites;
a) Dracunculus medinensis
b) Diphyllothrium latum
c) Ancylostomata duodenale
d) Schistosoma haematobium
e) Hymenolepsis nana

SECTION B ANSWER ANY TWO QUESTIONS 30 MARKS

9. Discuss the structural similarities and differences in helminth parasites in the phylum platyhelminthes and phylum nematode. (15 marks)

10. Discuss human ascaris with reference to; causative sgent, morphology and classification, pathogeneticity and treatment. (15 marks)

11. Discuss by giving specific examples the modes of transmission of helminth parasites. (5 marks)

SZL 322: PARASITOLOGY I

Parasitology 1 Question Paper

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