Week 7.1 Lecture Review

The invisible image on the film prior to processing is known as:

• Latent image

• Visible image

• Manifest image

The visible image on the film after processing is known as:

• Latent image

• Manifest image

What is the film emulsion made of?

• Rare earth crystals

• Polyester plastic

• Aluminum salts

• Silver halide crystals suspended in gelatin

What is the film base made of?

• Aluminum

• Rare earth crystals

• Polyester plastic (mylar)

• Silver halide crystals suspended in gelatin

How is film contrast related to film latitude?

• Directly

• Inversely

Which of these speeds is most consistent with the ALARA concept?

• 100 speed

• 400 speed

• 600 speed

• 1200 speed

Which of these would result in the most radiation exposure to the patient?

• 100 speed

• 400 speed

• 600 speed

• 1200 speed

As film screen system speed increases, image resolution ________.

• Increases

• Decreases

• Remains the same

Which of these systems will result in the most quantum mottle?

• 100 speed

• 400 speed

• 600 speed

• 1200 speed

What does quantum mottle look like in an image?

• Blurry

• Fog

• Graininess

• Overexposed