W1-2-60-1-6
JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2014/2015
YEAR III SEMESTER II EXAMINATION FOR THE BACHELOR OF SCIENCE IN MEDICAL BIOCHEMISTRY
HBB 2337: MEDICAL ENTOMOLOGY
DATE: APRIL, 2015 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE (Compulsory) and any TWO other questions
Question One (30 Marks)
i. Define: a) Medical entomology [2 marks]
b) Oviposition [2 marks]
ii. Why are entomologists interested in insect studies? [4 marks]
iii. Write short notes on soft and hard ticks. [10 marks]
iv. State medical importance of the following vectors. [2 marks each]
a) Phlebotomine sandflies
b) Black flies
c) Ticks
d) Sand fleas or jigger fleas
v. List four living elements that are necessary for transmission of arthropod-borne diseases. [4 marks]
Question Two (20 Marks)
a) i. The biology and life cycle of tsetse flies. [5 marks]
ii. Treatment of sleeping sickness. [5 marks]
b) Discuss general methods of control of arthropods. [10 marks]
Question Three (20 Marks)
Provide a detailed life cycle of mosquito, Anopheles gambiae.
Question Four (20 Marks)
By clearly describing its inception, discuss integrated vector management and control. Provide specific examples of vectors where necessary.
