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Mls 2109: Experimental Animal Science Question Paper

Mls 2109: Experimental Animal Science

Course:Bachelor Of Science In Medical Laboratory Science

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2012

JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2012/2013
SECOND YEAR SEMESTER ONE EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN MEDICAL LABORATORY SCIENCE
MLS 2109: EXPERIMENTAL ANIMAL SCIENCE
DATE: AUGUST 2012 TIME: 2 HOURS

SECTION A
1. The approximate weight of a mature guinea pig is
a) 200-300g
b) 20-30g
c) 850-1100g
d) 400-500g

2. Which of the following species can be described as monogamous
a) Gerbil
b) Ferret
c) Nat
d) Hamster

3. The term “hypsodont” refers to
a) Continuous growth of teeth throughout life
b) Lack of continuous growth of teeth throughout life
c) The gap between the incisors and check teeth
d) Re-ingestion of farces to present nutrients

4. The term “coprophogy” refer to
a) Continuous growth of teeth throughout life
b) Lack of continuous growth of teeth throughout life
c) The gap between the incisors and check teeth
d) Re-ingestion of farces to present nutrients
5. The young ones of a hamster are called
a) Kids
b) Kits
c) Pubs
d) Kitten

6. The gestation period of rabbit is
a) 21-23 days
b) 19-21 days
c) 68 days
d) 30 days

7. The litter size of a rhesus monkey is
a) 1
b) 1-2
c) 1-4
d) 2-9

8. The following animals require dietary sources of Vit C EXCEPT
a) Guinea pig
b) Chimpanzee
c) Nichan fruit bat
d) Rat

9. Give the laboratory animal associated with pheromones and barbaring
a) Mice
b) Hamster
c) Gerbil
d) Hamster

10. Kurloh cells are unique to what species of laboratory animals
a) Golden hamster
b) Rat
c) Mice
d) Guinea pig

11. Which of the following methods of identification is based on the “button principle”
a) Tattooing
b) Microchip
c) Staining
d) Studs

12. Which of the following drugs may be used in case of difficult kindling
a) Pentobarbitone
b) Oxytocin
c) Tetracycline
d) Paracetamol

13. Oryctolagus cuniculus belongs to the order
a) Lagomorpha
b) Mammalia
c) Leporidae
d) Rodentia

14. Name the laboratory animal which has precocious young ones
a) Rat
b) Mice
c) Guinea pig
d) Hamster

15. Destruction of the central nervous system of the frog for experimental purposes is referred to as
a) Chilling
b) Pithing
c) Stunning
d) Euthanasia

16. Saturated picric acid when used as a method of identification gives a
a) Red stain
b) Yellow stain
c) Violet stain
d) Green stain

17. When handling Guinea pigs it is advisable to wear latex gloves in order to
a) Prevent biting
b) Prevent allergies
c) Prevent stress
d) Prevent lighting

18. Research personnels are responsible for monitoring the experimental animals as approved in their protocol. If an animal is identified with experimental or non experimental illness, the investigator should notify the
a) Veterinary staff
b) Technical staff
c) Subordinate staff
d) Administrative staff

19. The following are manual restraint methods used in rahus norvegicus except
a) “Vgrip”
b) Cross leg
c) Tail tattoos
d) Towel method

20. Rats can be genotyped by the following methods, except
a) Fecal pellet
b) Ear punching
c) Tail snipping
d) Decapitation

SECTION B (30 marks)
21. List the various methods of identification in rats (6 marks)
22. Explain the following terms
a) Axenic animals (3 marks)
b) Transgenic animals (3 marks)
23. Outline the ideal characteristics of bedding and nesting materials (6 marks)
24. Match the common names and scientific names of the following animals
Golden Hamster Cavia Porcellus
Rat oryctolous cuniculus
Mouse meriones ungiculatus
Mongohan Gerbil mesocricetus auratus
Rabbit mus musculus
Guinea pig rattus norvegicus
25. Match the physiological salt solution with the appropriate tissue/organ
Frog Ringer RAT uterus
Ruiger cocks Guinea pig intestine
Kreb’s Mammalian skeletal muscle
Tyrode Avian skeletal muscle
De jalon Heart muscle
Amphibian tissue

SECTION C (20 marks)
26. a.) Discuss the following methods of identification in laboratory animals
i. Staining (4 marks)
ii. Studs (4 marks)
iii. Tattooing (4 marks)
b.) Discuss pithing (8 marks)
27. Discuss the sex determination of mouse, hamster and Guinea pig (20 marks)
28. Discuss manual handling and restraint of a rabbit (20 marks)

Mls 2109: Experimental Animal Science Question Paper

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