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Iph2202:Medical Virology Question Paper

Iph2202:Medical Virology

Course:Bachelor Of Science In Public Health

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

INSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – 30 MARKS
a. Briefly describe the life cycle of E. histolytica. (5 Marks)
b. What is the mode of infection of Leishmaniasis? (1 Mark)
c. State the four characteristics of a cercariae. (4 Marks)
d. With diagrams, differentiate between Taenia Saginata and Taenia Solium by the appearance of:
i. Ova (2 Marks)
ii. Scolex (2 Marks)
iii. Proglottides (1 Mark)
e. Which cestode causes phylaxis if echnococcal antigens are released from cysts? (1 Mark)
f. Which trematode is caused by undercooked fish and causes inflammation of the biliary track?
(1 Mark)
g. Which nematode is transmitted by female mosquito and causes blockage of lymphatic vessels?
(1 Mark)
h. Name the asexual and sexual methods of reproduction of plasmodium species. (1 Marks)
i. Briefly outline the developmental stages of shizogony. (4 Marks)
j. What is the aetiology of river blindness? (1 Mark)
k. Enumerate two types of leishmaniasis and differentiate between them. (4 Marks)
l. State the infective stages of Schistosoma Jopanicum. (1 Mark)
QUESTION TWO – 20 MARKS
a. Discuss the pathology and clinical features of amoebiasis. (15 Marks)
b. Name three intermediate hosts for Wuchereria Bancrofti. (3 Marks)
c. How do humans become infected with Echinococcus granulosus? (2 Marks)
QUESTION THREE – 20 MARKS
Write an essay on Human African trypanasomiasis. (20 Marks)
QUESTION FOUR – 20 MARKS
2
Describe four different concentration techniques and outline the principle behind each of them.
(20 Marks)

Iph2202:Medical Virology Question Paper

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