Download University of Jaffna MBBS 2012 February Parasitology Question Paper

Download University of Jaffna (University of Sri Lanka) MBBS (Bachelor of Medicine and Bachelor of Surgery) 2012 February Parasitology Previous Question Paper

UNIVERSITY OF JAFFNA, SRI LANKA .
I.
SECOND EXAMINATION FOR MEDICAL DEGREES (PART 1) February 2012
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Parasitology
4.
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Date : 22.02.2012
Time: 2 hours
Answer all four questions







1. 1.1. Briefly describe the clinical signs of uncomplicated Plasmodium
falciparum infection, and relate them to its life cycle.
(60 Marks)
1.2. Describe briefly the laboratory diagnosis of P falciparum infection
(including sample collection and transport).
(40 Marks)


2. A 12 year old child presented to the hospital with the complaints of loss of
appetite, mild diarrhoea and abdominal pain. Clinical examination revealed
that the child was anaemic.

2.1. Name TWO intestinal nematodes which may cause this clinical
pattern.
(10 Marks)
2.2. Describe the life cycle, mode of transmission and other clinical
manifestations of ONE of the parasites you mentioned in 2.1.
( 60 Marks)
2.3. Briefly describe the differences between the infestations mentioned
in 2.1 with regard to clinical presentation and laboratory diagnosis.
(30 Marks)


3. A 50 year old farmer was bitten by a snake on his right ankle and admitted
to hospital one hour later. He had blurred vision, ptosis, and difficulty in
breathing, with severe local pain and swelling at the site of bite.

3.1. Name the snakes which could cause the above clinical picture.
(20 Marks)
3.2. What investigations would you perform to confirm I exclude the
species of snake which bit this farmer?
(30 Marks)
3.3. Briefly describe the steps which should be followed in the treatment
of this patient until discharge.
(50 Marks)


4. Write short notes on the following

4.1. Hepatic amoebiasis
(35 Marks)
4.2. Helminths causing skin lesions in humans
(35 Marks)
4.3. Diagnosis of Bancroftian filariasis
(30 Marks)

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