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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
M.Sc.DEGREE EXAMINATION -MEDICAL LAB TECHNOLOGY
FOURTH SEMESTER APRIL 2018
16PML4MC03- HISTOPATHOLOGY AND CYTOLOGY
Date: 23-04-2018 Dept. No. Max. 100 Marks
Time: 01:00-04:00
Answer ALL the questions PART A 10 x 2 20 Marks
1. What is mordant?
2. Name the various mountants.
3. Define dehydration.
4. Comment on depigmentation.
5. Enumerate the role of agitation in tissue processing.
6. What is biopsy?
7. Comment on wrights stain.
8. Define stropping.
9. What is FNAC?
10. Define PAP.
Answer any FOUR of the following PART B 4 x 10 40 Marks
11. Describe in brief the tissue processing.
12. Explain about tissue embedding and its different medium.
13. Discuss the role of different fixatives used in fixation process.
14. Write notes on decalcification and its various methods.
15. Explain the errors in sectioning and remedies.
16. Give an account on cryostat.
Answer any TWO of the following PART C 2 x 20 40 Marks
17. Describe the preparation of slide and deparaffinization.
18. Give an account on sectioning of tissue and microtome knife.
19. Explain Hematoxylin and Eosin staining in detail.
20. Discuss in detail about carbon dioxide and freezing microtome.