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Iph2212:Medical Entomology Question Paper

Iph2212:Medical Entomology

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2010

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INSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – (30MARKS)
(a) What is an arthropod? Name the three major classes of arthropods that are important in
medical entomology. (4 Marks)
(b) In relation to pathogen transfer, what is meant by biological and mechanical vectors?
Give an example of each vector. (4 Marks)
(c) What appropriate control measures could be taken to control Phthirus Pubis and
Pediculus capitis. (2 Marks)
(d) Name two species of bedbugs that are of medial importance. State how to control
bedbugs. (5 Marks)
(e) (i) Outline the morphological differences between anopheles and culex mosquitoes.
(5 Marks)
(ii) Name three biological control agents that could be used to reduce mosquito larvae.
(3 Marks)
(f) How can biomphalaria snails be differentiated from Bulinus snails. (2 Marks)
(g) State five principal features distinguishing soft and hard ticks. (5 Marks)
2
QUESTION TWO – (20 MARKS)
Discuss the developmental stages of Plasmodium Falciparum in the mosquito vector. What is
the genera of mosquito responsible for this transmission. (20 Marks)
QUESTION THREE – (20 MARKS)
Discuss methods used for the control of:
(a) Glossina species
(b) Reduviid bugs (20 Marks)
QUESTION FOUR – (20 MARKS)
Write briefly on the following:
(a) Myiasis
(b) Scabies
(c) Medial importance of Musca domestica
(d) Medial importance of Trombiculid mites (20 Marks)

Iph2212:Medical Entomology Question Paper

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