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HT Histotechnician

Category - Staining

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What is an adequate solvent used for Oil Red O and Sudan Black stains?

Formalin
50% alcohol
70% alcohol
Acid alcohol

Explanation

Answer: C - 70% alcohol

An adequate solvent used for Oil Red O and Sudan Black stains is 70% alcohol. Containers containing this solution should always be kept covered to prevent evaporation, particularly their alcohol component. Other solvents in the choices are not used for Oil Red O and Sudan Black stains.

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