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Heh 212: Vector And Rodent Control Question Paper

Heh 212: Vector And Rodent Control

Course:Bachelor Of Science In Environmental Health

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
SECOND SEMESTER EXAMINATIONS 2008/2009
UNIVERSITY EXAMINATIONS FOR DEGREE OF BACHELOR OF SCIENCE
(ENVIRONMENTAL HEALTH)

HEH 212: VECTOR AND RODENT CONTROL

DATE:
Monday 14th September 2009
TIME: 8.00am-10.00am

INSTRUCTIONS:
1. Answer All questions in section ONE. In section TWO, answer question ONE
and any other TWO
2. Exam duration is 2 hours

SECTION ONE
1.
Giving examples, briefly define the following:
a)
Pest
management
[1mark]
b)
Molting [1mark]
c)
Metamorphosis [1mark]

d)
Rodent

[1mark]

e)
Vector

[1mark]

2.
List five signs and symptoms of Jigger manifestation in human beings.

[5marks]

3.
Indicate under which taxonomic class the following arthropods fall.

[4marks]
a)
Housefly
b)
Mites
c)
Mosquito
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d)
Sandfly

4.
Outline six diseases that rodents play part as vehicles of transmission.

[6marks]
SECTION TWO
1.
a)
Briefly describe how climate change has brought challenges in the control

of vectors.

[5marks]

b)
Using relevant examples, briefly explain the following biological control
approaches
of
vectors
and
rodents.

[15marks]
i)
Classical
ii)
Augmentation
iii)
Natural

2. a) Describe
the
major
characteristics of rodents and how these

(characteristics) can be used to control them.

[10marks]

b)
State five main features that an ideal rodenticide should have.

[5marks]

3.
Describe THREE diseases that can be caused/transmitted by each of the following

vectors and state ways in which they can be controlled.

[15marks]
a)
Cockroach
b)
Tsetse
fly
c)
Ticks

4.
Malaria is one of the major vector-borne diseases that pose health challenges in

Kenya. Discuss how “Integrated Vector Management (IVM) approach can be

used to reduce the magnitude of
this
disease.
[15marks]

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Heh 212: Vector And Rodent Control Question Paper

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