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HT Histotechnician

Category - Staining

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This is a fluorescent red dye commonly used as a background stain particularly in chromate and picric acid fixed tissues and in acid decalcified materials?

Hematoxylin
Eosin
Methylene blue
Iodine

Explanation

Answer: B - Eosin
A fluorescent red dye commonly used as a background stain particularly in chromate and picric acid fixed tissues and in acid decalcified materials is Eosin. This stain gives a pleasing and colorful contrast to nuclear stains. All the other choices do not fit the description of eosin.

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