HT Histotechnician

Category - Processing and Embedding

All of the following statements are true about the ideal characteristics of a clearing agent, except:
  1. It should make tissues transparent.
  2. It should not dissolve out Aniline dyes
  3. It should not evaporate quickly in a water bath.
  4. It should be miscible with water to promote the rapid removal of the dehydrating agent.
Explanation
Answer: D - It should be miscible with water to promote the rapid removal of the dehydrating agent.
All of the following statements are true about the ideal characteristics of a clearing agent except for the statement that it should be miscible with water to promote the rapid removal of the dehydrating agent. It is because an ideal clearing agent should be miscible with alcohol and not with water. What we are removing is a dehydrating agent and the dehydrating agent in turn, removes water.
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