Laboratory Book
Multiple Choice Questions

This is an example of the sort of questions that you might be asked in an MCQ based on your laboratory notebook. This particular example is based on practicals in Medical Parasitology. Remember that you may need a calculator!


Click on the correct answer
In each of the following questions there is only one correct answer


1] The shape of the ovary & the testes & the position of the vitellaia in Clonorchis (Opisthorchis) sinensis is:?

ovary branched, testes lobed, vitellaria central
ovary round testes lobed, vitellaria along the length of each lateral border
ovary branched, testes round, vitellaria along the length of each lateral border
ovary round, testes round, vitellaria central
None of the above.

 



2] The practical assignment examining the factors influencing the excystation of larval cestodes was held on which date?

31.10.97
24.10.97
17.10.97
10.10.97
7.11.97




3] Excystation of the cysticercoid of Hymenolepis occurred in the presence of the following factor:

Bile salts, NaCl and a temperature of 37 C
Pepsin, Trypsin and a temperature of 37 C
HCl, bile salts and a temperature of 27 C
Bile salts, NaCl and a temperature of 27 C
None of the above



4] Which of the following statements about phase contrast microscopy is NOT correct?

Used for examining stained cells
Used for examining unstained live cells
The X100 and X40 objectives are phase contrast objectives
The condenser must be as high as possible
The phase condenser ring setting depends on which objective is used.



5] If 30 eyepiece divisions on the ocular micrometer = 0.70mm on the stage micrometer, what does 1 eyepiece division = in m m?

2.300 mm
23.000 mm
0.023 mm
42.800 mm
4.280 mm

6] The normal definitive site for adult Schistosoma mansoni is:

The mesenteric arteries
The mesenteric veins
The hepatic arteries
The hepatic veins
All of the above

7] The correct order for using mixtures of glacial acetic acid (GA) and methyl salicylate (MS) in the acetic haematoxylin staining procedure is:

GA:MS

1:1

1:3

3:1

1.3

1:1

3:1

3:1

1:3

1:1

3:1

1:1

1:3

1:3

3:1

1:1

 


8] Which of the following taxonomic features is NOT used in the identification of adult Ancylostoma: ?


Shape of the dorsal ray of the copulatory burse
Number of digits on each branch of the dorsal ray
Shape of the externo-dorsal ray
Shape and size of the copulatory spicules
Features of the buccal cavity.




9] What is the likely diagnosis from this Geimsa stained smear (x400)?


Amoebiasis
Leishmaniasis
Trypanosomiasis
Trichomoniasis
Malaria




10] What is the likely diagnosis from this Geimsa stained smear (x400)?


Trypanosomiasis
Leishmanisis
Malaria
Amoebiasis
Trichomoniaisis



11] The following data represents the number of a single species of parasite recovered from 10 host animals

10, 4, 6, 0, 15, 8, 0, 0, 12, 2

2.93
25.6
2.56
29.34
None of the avove








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ęDavid Humber 1996 - Last Modified: Tuesday, February 27, 1996 at 09:15 PM
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