Mls 2402: Medical Entomology Question Paper
Mls 2402: Medical Entomology
Course:Bachelor Of Science In Medical Laboratory Sciences
Institution: Jomo Kenyatta University Of Agriculture And Technology question papers
Exam Year:2012
JOMO KENYATTA UNIVERSITY
OF
AGRICULTURE AND TECHNOLOGY
University Examinations 2012/2013
FOURTH YEAR SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN MEDICAL LABORATORY SCIENCES
MLS 2402: MEDICAL ENTOMOLOGY
DATE: AUGUST, 2012 TIME: 2 HOURS
INSTRUCTIONS:
SECTION A – Answer ALL questions in this section (15 marks)
1. Who first demonstrated the transmission of American typanosomiasis in 1908?
a) Carlos Chagas
b) Sir Ronald Ross
c) Patrick Manson
d) Walter Reed
2. How can some millipedes cause medical problems?
a) Stinging
b) Spraying defensive secretions
c) By transmitting viruses
d) By laying their eggs under the skin
3. Entomology is the study of:
a) Insects
b) Pests
c) Birds
d) Animals
4. Holometabolous insects have:
a) 2 life stages
b) 3 life stages
c) 4 life stages
d) None of the above
5. Rift Valley fever is transmitted by:
a) Calex spp
b) Aedes spp
c) Anopheles spp
d) No of the above
6. Antogenous insects:
a) Lay eggs without mating
b) Mate but do not lay eggs
c) Are blood feeders
d) Are sugar feeders
7. Malaria transmission is carried out by:
a) Anopheles spp
b) Blood feeding flies
c) Calex spp
d) Aedes spp
8. The best mode of malaria control is:
a) Elimination of insect eggs
b) Bed net use
c) Prompt treatment
d) Integrated vector management
9. Which insects are included in the order Blattaria?
a) Cockroaches
b) Lice
c) True flies
d) Beetles
10. Which of the insects below is included in the order phthiraptera?
a) Cockroaches
b) Lice
c) True flies
d) Beetles
11. Which of the following insects is included in the order dipteral?
a) Cockroaches
b) Lice
c) True flies
d) Fleas
12. Which of the following insects transmits cholera?
a) True flies
b) Mosquitoes
c) Flea
d) Lice
13. Myiasis is caused by:
a) Fleas
b) True flies
c) Lice
d) Mosquitoes
14. Arboviruses are transmitted by:
a) Fleas
b) Lice
c) Mosquitoes
d) None of the above
15. Insect borne disease can be prevented by:
a) Prompt treatment
b) Spraying with insecticides
c) Use of bed nets
d) All of the above
16. Mosquitoes undergo:
a) 2 life stages
b) 3 life stages
c) 4 life stages
d) None of the above
17. Anthropophilic insects prefer:
a) Animal hosts
b) Human hosts
c) Bird hosts
d) None of the above
18. Haematophagy is a characteristic of insect vectors that refers to:
a) Mating at dawn
b) Feeding of sugar
c) Feeding on blood
d) Feeding of lymph
19. A good insecticide should:
a) Be affordable
b) Be easily available
c) Be non-toxic
d) All of the above
20. River blindness causing vectors can be controlled by:
a) Spraying with ivermectin
b) Spraying with pyrethrin
c) Clearing bushes river banks around river banks
d) A and C
SECTION B – Answer ALL Questions
21. Briefly describe the method of controlling fleas. [6 marks]
22. How can malaria causing insects be controlled? [6 marks]
23. Describe the life cycle of the malaria causing a mosquito. [6 marks]
24. Describe any three ways through which ticks can be controlled. [6 marks]
25. Describe how plague transmission occurs in humans. [6 marks]
SECTION C – Answer ANY ONE question
26. Write an essay on the control of malaria causing mosquitoes. [20 marks]
27. Describe in detail the effects of insects on man. [20 marks]
28. Describe the life cycle, effects and control of fleas using relevant examples.[20 marks]
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