What is the purpose of fixing?

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Prepare for the VetSkill Level 3 Diploma VN02 – Diagnostic Principles Test. Engage with multiple-choice questions, hints, and explanations. Achieve your certification!

Multiple Choice

What is the purpose of fixing?

Explanation:
Fixing makes the image permanent by removing the unexposed silver halide crystals from the film emulsion. During development, exposed crystals are reduced to metallic silver to form the visible image, while unexposed crystals remain light-sensitive. The fixer dissolves those unexposed crystals and halts further development, stabilizing the image so it won’t continue to darken or fade when exposed to light. This is why fixing is essential: it locks the image in place for long-term viewing.

Fixing makes the image permanent by removing the unexposed silver halide crystals from the film emulsion. During development, exposed crystals are reduced to metallic silver to form the visible image, while unexposed crystals remain light-sensitive. The fixer dissolves those unexposed crystals and halts further development, stabilizing the image so it won’t continue to darken or fade when exposed to light. This is why fixing is essential: it locks the image in place for long-term viewing.

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