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HT Histotechnician

Category - Staining

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In the regressive method of staining, this substance acts as a differentiator for both basic and acidic dyes?

Alcohol
Acetone
Xylene
Water

Explanation

Answer: A - Alcohol
In the regressive staining method, the substance that acts as a differentiator for both basic and acidic dyes is alcohol. It dissolves out the excess dye in the tissue. Other choices do not act as a differentiator for both basic and acidic dyes.

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