Q5/9/11R/13 Reg. No

St. Joseph’s College of Arts & Science (Autonomous) Cuddalore – 607001 MB508 – MEDICAL PARASITOLOGY

Time : 3 hrs

Max Marks

U

:75

U

SECTION – A (10X1=10) Answer ALL Questions Choose the correct answer 1. True about PARATENIC host a) Also called transpost b) Host may serve to pass on the infection to another host c) A vertebrate host in which parasite may remain viable, without development or multiplication d) All are true 2. Machanism of disease production by parasite include a) Mechanism of injury b) Deleterious action of toxic substances c) Deprivation of utrients, fluids and metbolites d) All of the above 3. Amoebic intestinal ulcer is a) Flask shaped b) Beaker shaped c) Cylnider shaped d) None of the above 4. Media for the growth of Leishmania donovani include all except a) NNN b) NIH c) Bactoagar biphasic d) Schneider 5. Schuffner’s dots are seen in RBC infected with a) Plasmodium falciparum b) Plasmodium vivax c) Plasmodium malariae d) Plasmodium ovale 6. True about Cryptosporidium parvum a) Oocyst is demonstrated in stool b) Life cycle is completed in one host c) Takes red stain when stained with modified acid fast method

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Q5/9/11R/13 d) All of the above 7. Following are stained except: a) F. hepatica b) F. buski c) E. vermiculeris d) Unfertilised egg of A. limbricoides 8. Rostellurm is absent in: a) T. solirem b) H. nana c) T. Saginata d) T. echinococcus 9. Which of the following is a viviparous parasite: a) T. Spiralis b) D. medinensis c) W. bancrofti d) All of these 10. Barrel shaped egg is seen in a) A. duodenale b) A. leumbricoides c) T. trichuria d) N. americanus SECTION - B (5X3=15) Answer any FIVE Questions 11. Enumerate the differences between cyst of Entamoeba histolytica and Entamoeba coli. 12. What is alternation of generation? Mention one parasite showing it. 13. What is trophozoite induced malaria? Give two examples. 14. Enumerate any four characteristics of platyhelminthes. 15. What do you understand by the term oviparous? Give examples of any four oviparous parasites. 16. Give the characteristic feacteristic features of the Enterobius vermicularis egg. 17. What is hetrazan provocation test? Mention its use.

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Q5/9/11R/13

SECTION - C (5X10=50) Answer ALL Questions 18. a) Mention the differences between amoebic and bacillary dysentry. (or) b) Enumerate the differences between adult worm of T. saginata and T. solium. 19. a) Write in detail the differences between sporozoite and trophozoite induced malaria. (or) b) Enumerate the differential characters of erythrocytic phases of P. vivax and Plasmodium falciparum. 20. a) Write the characteristic features of adult worms of T. sagiaata and T. solium. (or) b) Highlight the important characters of hydatid fluid. 21. a) Enumerate the differences between fertilized and infertilized egg of A. lumbricoides. (or) b) Write briefly on the characteristic of the egg of hook worm. 22. a) Distinguish between classical and occult filariasis. (or) b) Distinguish between visceral and cutaveous leishmaniasis.

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