Clark solution includes which main component?

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Multiple Choice

Clark solution includes which main component?

Explanation:
Clark's solution is an alcohol-based dehydration solution, so the main component is absolute alcohol. In histology, removing water from tissue is essential before paraffin infiltration, and using a strong, anhydrous solvent like absolute alcohol drives that water replacement effectively. Formalin is a fixative that cross-links proteins and does not serve as the primary dehydrating solvent. Acetic acid can act as a fixative or adjust pH but isn’t the main drying solvent in this solution. Xylene is a clearing agent used after dehydration to make tissue receptive to paraffin, not the primary component of the dehydration step.

Clark's solution is an alcohol-based dehydration solution, so the main component is absolute alcohol. In histology, removing water from tissue is essential before paraffin infiltration, and using a strong, anhydrous solvent like absolute alcohol drives that water replacement effectively. Formalin is a fixative that cross-links proteins and does not serve as the primary dehydrating solvent. Acetic acid can act as a fixative or adjust pH but isn’t the main drying solvent in this solution. Xylene is a clearing agent used after dehydration to make tissue receptive to paraffin, not the primary component of the dehydration step.

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