CLINICAL MEDICINE

MEDICINE

RADIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
which of the following is a correct characteristic of the developing solution
A
the developer removes any non-energized silver bromide crystals from the image receptor
B
the developer solution causes the radiopaque areas on the image receptor to appear
C
the developer solution redo es the silver bromide crystals to black metallic silver
D
the developer solution hardens the protective layer of there image receipt covering the emulsion
Explanation: 

Detailed explanation-1: -Developer solution is used in the darkroom for developing (i.e. converting latent image to visible image) x-ray films used in conventional (screen film) radiography.

Detailed explanation-2: -Sodium carbonate is used as an activator. It provides alkaline medium usually above a pH of 11, which is required for hydroquinone to act, and it also softens the gelatin of the emulsion.

Detailed explanation-3: -Developers generally consist of four kinds of chemicals: The Developing Agent The Preservative The Accelerator or Alkali The Restrainer Occasionally, other chemicals, mainly buffers, are added. The action of any developer is a function of how each of these kinds of chemicals is combined.

Detailed explanation-4: -Developing agents are composed of chemical compounds such as hydroquinone or phenidone that can convert exposed grains of silver halide to black metallic silver.

There is 1 question to complete.