Film Optical Density Is a Number That Represents a Comparison

question 9

Multiple Choice

Film optical density is a number that represents a comparison of:

• A) light entering an area on the film
• B) light leaving an area on the film
• C) the amount of energy needed to create the film image
• D) A and B

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Definitions:

Pathology

The medical science that studies the causes and effects of diseases, especially the structural and functional changes in tissues and organs.

Retinal Blood

Pertains to the blood supply and circulation within the retinal vessels of the eye.

Diabetic Retinopathy

A diabetes complication that affects the eyes, leading to blood vessel damage in the retina.

Pathology

The study of diseases and the changes they cause in the structure and function of body parts.