HT Histotechnician

Category - Fixation

This type of fixation is usually done using thermal coagulation, which is suitable for frozen tissue sections and for the preparation of bacteriological smears?
  1. Absolute alcohol fixation
  2. Metallic fixation
  3. Heat fixation
  4. Acid fixation
Explanation
Answer: C - Heat fixation
Heat fixation is the type of fixation that is usually done using thermal coagulation, which is suitable for frozen tissue sections and for preparation of bacteriological smears. In this question, absolute alcohol can be used as fixative for frozen tissue samples but not with bacteriological smears. Other choices are incorrect.
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