Tamil Nadu Dr MGR Medical University 2009 M.D.S Branch VI – ORAL PATHOLOGY AND MICROBIOLOGY - III – LABORATORY AND HISTOPATHOLOGICAL TECHNIQUES - - Question Paper

MARCH -2009
[KU 374] Sub. Code: 2415
M.D.S. DEGREE exam.
(Revised Regulations)
Branch VI – ORAL PATHOLOGY AND MICROBIOLOGY
(For Candidates admitted from 2004-2005 onwards)
Paper III – LABORATORY AND HISTOPATHOLOGICAL
TECHNIQUES
Q.P. Code : 242415
Time : 3 hours Maximum : 100 marks
Draw suitable diagram wherever necessary.
ans ALL ques..
I. Essay ques. : (2 X 20 = 40)
1. explain available microscopes and the details of dark ground microscopy in oral microbiology.
2. explain on different stains available for connective tissue fibres and the theories of staining.
II. Write short notes on : (6 X 10 = 60)
1. Micro array technique.
2. Antigen retrieval in immunological staining.
3. Artifacts in the H&E stain – study.
4. Peripheral smear.
5. Investigations for bleeding gums.
6. Congo red.
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Earning:   Approval pending.