Brainscape's Knowledge GenomeTM

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


See full index

Rad Technique > Digital Film Receptors > Flashcards

Digital Film Receptors Flashcards

0
Q

Used for computed radiography

A

Imaging plate

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

Allows implementation of a fully PACS

A

Digital detectors

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

Imaging plate is made from

A

Photostimulable phosphor plate

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

Phosphor layer

A

Barium fluorochloride

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

Protects the phosphor layer and allows light feom the laser and emitted light to pass through it

A

Protective layer

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

A layer of PSP that traps the electrons during exposure

A

Phosphor layer

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

Stimulates light

A

Photostimulable

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

Most commonly used phosphor

A

Barium Fluorobromide

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

Sends light in a forward direction

A

Reflective layer

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

Absorbs and reduces static electricity, not found in IS, absorbs excess electricity

A

Conductive layer

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

Gives imaging sheet some strength

A

Support layer

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

Absorbs stimulating light (laser light) but reflects emitted light

A

Light Shielding Layer

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

Protects the back of the plate

A

Backing layer

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

Identification of the patient

A

Barcode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Serve to orient the cassette to the top of the patient and patient’s right side

A

Stickers

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

2 types of IP

A

Standard Resolution

High Resolution

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

Resolution that have thick phosphor layer

A

Standard Resolution IP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Resolution that have thinner phosphor layer, commonly used for extremity examination

A

High Resolution IP

18
Q

CR cassette are usually made of

A

Aluminum / Aluminum honeycomb panel

19
Q

Allow radiation to pass through

A

Radiolucent (front of cassette)

20
Q

The back of the cassete is made up of _____ to prevent backscatter radiation

A

Lead

21
Q

The light produced is ______ to the xray exposure

A

Proportional

22
Q

Used as a receptor for digital radiography (indirect conversion)

A

Charged Coupled Devices

23
Q

CCD are physically small about

A

2-3 cm^2

24
Q

Detects xrays and converts them into light

A

Xray scintillator

25
Q

Materials used for xray scintillator

A

PSP

CsI scintillator

26
Q

Reduces the size of the projected visible light image

A

Fiber optics tapers - lens

27
Q

Converts light into an electric charge

A

CCDs

28
Q

The number of light photons that reach the CCDs are less / light that are lost

A

Secondary Quantum Sink

29
Q

Converts xray to light and then converts the light to electrical charges

A

Indirect conversion flat panel detector

30
Q

It emits light proportional to the amount of energy absorb

A

Xray scintillator

31
Q

Xray scintillator are made up of

A

CsI

Gd2O2S

32
Q

Converts light to an electrical signal

A

Amorphous Silicon Photodiode

33
Q

Signal in a form of a charge is read out by ______. Sends image to the computer

A

Thin Film Transistor

34
Q

This crystal xan be shaped into 5-10 um wide needles arranged perpendicularly

A

Cesium Iodide

35
Q

This reduces diffusion of light within the scintillator layer/ high quality

A

Cesium iodide

36
Q

Resistant to mechanical stress and used for portable flat-panel detectors

A

Gadolinium Oxysulfide

37
Q

Directly converts xray to electrical charges

A

Direct conversion detectors

38
Q

Converts xray photons into electrical charges

A

Xray photoconductor

39
Q

Most commonly used photoconductor

A

Amorphous selenium

40
Q

Rotating selenium-dotted drum which has a positive electrical surface charge is exposed to xrays / limited to thorax stand

A

Selenium drum

41
Q

Provides good resolution and can be used for both thorax stand and bucky tables

A

Flat-panel detector

42
Q

The capacity of the detector to transfer the modulation of the input signal

A

Modulation Transfer Function

Rad Technique (13 decks)

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