Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Radiography I > Imaging the Film > Flashcards

Imaging the Film Flashcards

1
Q

3 receptor components

A
  1. cassette
  2. intensifying screens
  3. film
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which side of the cassette faces the patient?

A

Front

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which side of the cassette is farthest from the object of interest?

A

Back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the 3x7 section of lead used for?

A

Photo imprinting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

This aids in converting the x-rays to light after they penetrate the patient
Contain phosphor crystals

A

Intensifying screens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Phosphor Crystals used in intesifying screens that give off blue light and needs blue light sensitive film

A

Ca Tungstate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Phosphor Crystals used in intensifying screens that give off green light and need green light sensitive film

A

Rare Earth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Speed at which the x-rays are converted to light by phosphor

A

Intrinsic conversion efficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Conversion efficiency of Ca Tungstate

A

30-40%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Conversion efficiency of Rare Earth

A

50-60%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Life of intensifying screens

A

15-20 yrs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Crystals that fluoresce when x-rays pass through

A

Phosphors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

4 layers of the intensifying screens

A
  1. Base
  2. Reflective
  3. Phosphor
  4. Protective
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Layer of the intensifying screen that is made of plastic/polymer that is virtually indestructible

A

Base

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Layer of the intensifying screen that reflects light emitted by phosphor layer back towards the x-ray film

A

Reflective

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Layer of the intensifying screen that converts the absorbed x-rays to light

A

Phosphor

17
Q

Layer of the intensifying screen that is a clear coating on the outer surface of the screen that protects the phosphor layer and reduces static

A

Protective

18
Q

Intensifying screen speed that has small crystals and provides optimum detail

A

Slow

19
Q

Intensifying screen speed that has bigger crystals and less detail

A

Fast

20
Q

What is a disadvantage to using Rare Earth?

A

$$$$

DOLLA DOLLA BILL

21
Q

Photons of the x-ray beam are converted to light when they reach the emulsion of the screen

A

Luminescence

22
Q

Instant reaction that lasts exactly as long as the phosphor is stimulated and only give off light when x-rays hit them
Ideal

A

Fluorescence

23
Q

Phosphor continues to emit light after exposure
Not desirable
AKA “afterglow”

A

Phosphorescence

24
Q

When a screen ages, it can produce a white, speckled appearance AKA

A

screen craze

25
Q

4 layers of film

A
  1. Base
  2. Adhesive
  3. Emulsion
  4. Supercoat
26
Q

Layer of film that contains silver halide crystals and gelatin

A

Emulsion

27
Q

When film is ______, it is vulnerable to scratches.

A

wet

28
Q

Layer of film that prevents tearing, scratching, and abrasions

A

Supercoat

29
Q

Image that is formed but not visible

A

Latent image

30
Q

If you drop an x-ray film, it will _________ from point of impact

A

streak

31
Q

Blue light receiving film is

A

green

32
Q

Green light receiving film is

A

violet

33
Q

Film made of smaller crystals that accepts variations in exposure factors or processing without a major change in density
Slower

A

Wide latitude

34
Q

Film made of large crystals that requires less change in exposure factors or processing to affect density
Faster

A

Narrow latitude

35
Q

If film is expired, should you use it?

A

No

36
Q

You should store film: (3)

A
  1. away from light
  2. away from chems
  3. away from heat/humidity

Radiography I (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions