Step 1: Understanding the Concept:
Manual radiographic film processing converts the latent image on an exposed X-ray film into a visible, permanent analog image.
This chemical process must proceed in a strict sequential order to avoid ruining the image quality.
Step 2: Detailed Explanation:
The sequential stages of manual film processing are:
1. Developing (C): The exposed silver halide crystals on the film emulsion are chemically reduced to black metallic silver, making the image visible.
2. Rinsing (D): The film is placed in a water bath to wash away residual developer, stopping the development process and preventing contamination of the next tank.
3. Fixing (A): An acidic fixer solution removes unexposed and undeveloped silver halide crystals from the emulsion, hardening the gelatin layer and preserving the image permanently.
4. Washing (E): The film is washed in running water to remove all processing chemicals, which prevents staining and fading over time.
5. Drying (B): The water is evaporated from the film, allowing it to be handled and archived.
The correct order is C \(\rightarrow\) D \(\rightarrow\) A \(\rightarrow\) E \(\rightarrow\) B.
Step 3: Final Answer:
The correct sequence is C, D, A, E, B.