Download University of Jaffna MBBS 2019 February Parasitology Question Paper

Download University of Jaffna (University of Sri Lanka) MBBS (Bachelor of Medicine and Bachelor of Surgery) 2019 February Parasitology Previous Question Paper

UNIVERSITY OF JAFFNA, SRI LANKA
SECOND EXAMINATION FOR MEDICAL DEGREES (2nd) February 2019
Parasitology
Date; 07.02.2019
Time allowed: 2 hours
Answer all four questions
1. A 50-year-old businessman returned from India presented to the Teaching Hospital Jaffna
having fever with chills and rigors, observed in alternative days, for more than a week.
On clinical examination he waspale and a moderate splenomegaly was noted.
1.1 What could be your most probable clinical diagnosis
(05 marks)
1.2 Name the parasite that could have caused the above condition
(05 marks)
1.3 Briefly describe that how will you confirm your diagnosis at the laboratory
(including the sample collection)
(40 marks)
1.4 Briefly describe your role as a medical officer in preventing further spread of the
condition of the above patient (40 marks) 1.5 State how this patient could have
prevented from contracting the above condition
(10 marks)
2. A 40 year old laborer admitted to the Teaching Hospital Jaffna for having blood and
mucous diarrhoea for more than two days. History revealed that he frequently had
snacks at roadside stalls and having "toddy".

2_1 What could be the possible parasitic clinical conditionfor the above presentation
(05 marks)
2.2 Name the parasite that could have caused the above condition (05 marks)
2.3 Briefly describe that how will you confirm your diagnosis at the
laboratory
(including the sample collection) (30 marks) 2.4 The same patient readmitted to
the hospital with the complaint of fever and right
hypochondrial pain after nine months
2.4.1 What could be your possible clinical diagnosis
(05 marks)
24.2 State the investigations with respective findings those will help you to confirm
the above condition (35 marks) 2..5 How will you advise the above patient
in order to prevent further infection of the
same parasite
(20 marks)

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3.
3.1 Write an account on the aetiology and pathogenesis of cutaneous larva migrans in
humans
(50 marks)
3.2 Discuss the risk factors for this infection in the Sri Lankan setting
(25 marks)
3.3 What are the measures to be taken to prevent the above infection
(25 marks)
4. A 35-year-old farmer was admitted to the Teaching Hospital, Jaffna 3 hours after an
unidentified snake bite. On admission, he had pain and bleeding at bite site over the
right ankle. He also complained of double vision and drooping of his eyelids. Few hours
later, he complained of difficulty in speech and unable to walk. Medical officer has
examined him and ordered some bloodinvestigations and started on treatment.
4.1 What investigation would you do immediately in the ward that will help you to
determine the likely offending snake
(10 marks)
4.2 if the above investigation becomes positive, what is the most likely snake
(10 marks)
4.3 Outline the important steps in the management of this patient
(40 marks)
4.4 What complicationis will you anticipate in his management
(20 marks)
4.5 What advice you would give this patient on discharge from the hospital
(20 marks)

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