Thursday, 5 December 2013

Stage Viva in Staining for MDS - Oral Pathology students




1.      Thickness of section
2.      Serial Section
3.      Artifacts in sections
4.      Types of Hematoxylin and eosin
5.      Principle of Hematoxylin
6.      Oxidation (Natural, Chemical) Ripening of Hematoxylin
7.      Fixative – Types, principles, components
8.      Bluing , Reverse bluing
9.      Mordants , common mordants
10.  Charge of Hematoxylin
11.  Classification of Hematoxylin
12.  Advantage and disadvantage of various types of Hematoxylin
13.  Esoin belongs to _________ Class of dyes
14.  End point determination of decalcification
15.  Classify decalcification agents
16.  Medavars law
17.  Properties of ideal fixatives
18.  Ideal fixation timing
19.  Common agents for fixations
20.  pH, Temperature of fixation
21.  penetration of fixants, methelyne glycol and carbonyl form
22.  Why alcohol and xylene are used before paraffin embedding
23.  Melting point of paraffin wax
24.  Miscibility of a solution 
25.  Idea behind fixation
26.  Cross linking of proteins, denaturation of proteins
27.  Antigen retrival – methods and principle
28.  Types of microtomes
29.  Principle behind each type of microtomes
30.  Blades – types, mechanical
31.  Horning and strapping
32.  Formalin pigments – identification & removal
33.  Post fixation treatments
34.  Tissue cassette dimensions, material,  
35.  What is
Dehydration
Clearing
Embedding media
Section adhesive – common ones, composition
Antiroll plate
Quenching
Thawing
Special stains
Fluorescent staining
IHC
36.  Conditions for a water bath, hot plate for section cutting – temperature
37.  Frozen sections, cryostats, frozen section staining
38.  Enzyme histochemistry
39.  Mountants – curing time, type and specific advantage of each
40.  Alternatives for paraffin wax

41.  Fixatives for EM studies

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