Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Boards > Image Production > Flashcards

Image Production Flashcards

1
Q

As mAs increases what happens to Receptor Exposure

A

Receptor Exposure will increase because mAs is the main controlling factor of receptor exposure so mAs controls to amount of X-rays that reach the IR

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

mAs and Receptor exposure have a direct or indirect relationship?

A

Direct

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

As SID increases What happens to Receptor Exposer

A

Receptor Exposure will decrease, the further away from the IR the less X-rays reach the IR

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

as KVP increases what happened to Receptor Exposure

A

Receptor Exposure Increases the higher the KV the higher the Scatter the higher the receptor exposure

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

if KVP increases what happened to image contrast?

A

Contrast will decrease the higher the kv the more scatter produced the less contrast

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

as image receptor screen speed increases what happened to receptor exposure

A

receptor exposure will increase because the faster the speed the noisier the image

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

as image receptor screen speed increases what happened to contrast

A

contrast will increase

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

only 2 times that receptor exposure and contrast will have a direct relationship

A

screen speed and beam filtration

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

As additive pathology increases what will happen to receptor exposure

A

receptor exposure will decrease because less X-rays are able to reach the IR the are being absorbed in the added pathology

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

as additive pathology increases what will happen to contrast?

A

contrast will increase do to the added pathology absorbing more of the X-ray beam

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

as subject density increases what will happen to receptor exposure?

A

receptor exposure will decrease due to less x-rays reaching the IR they are being absorbed by the thinker anatomy

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

as subject density increases what will happen to contrast?

A

contrast will increase

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

what happens to receptor exposure when with destructive diseases

A

receptor exposure will increase due to more X-rays reaching the IR

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

what happens to contrast with destructive diseases

A

contrast will decrease due to more X-rays reaching the IR

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

as collimation increases what happens to receptor exposure?

A

receptor exposure decreases

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

as collimation decreases what will happen to contrast?

A

contrast will increase

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

as SID increases what will happen to Spatial resolution?

A

increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

as SID decreases what will happen to spatial resolution

A

decrease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

as OID increases what will happen to spatial resolution

A

decrease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

as OID decreases what will happen to spatial resolution?

A

increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

___ are beam attenuators they decrease skin exposure to patient

A

filters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

as the amount of filtration in the path of the beam _____ the amount of radiation available to exposure the image receptor will decrease, resulting in a decrease in radiographic receptor exposure

A

increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

as thickness increases beam attenuation _______ and receptor exposure will decrease

A

increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

as the atomic number of an object increases attenuation will _____ yielding a decrease in radiographic exposure

A

increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
increasing collimation results in ___ the field size
decreasing
26
added or destructive: edema
additive
27
added or destructive: : tumors
additive
28
added or destructive: atelectasis
additive
29
added or destructive: cardiomegaly
added
30
added or destructive: CHF
added
31
added or destructive: : pleural effusion
added
32
added or destructive: pneumonia
added
33
added or destructive: tb
added
34
added or destructive: ascites
added
35
added or destructive: hydrocephalus
added
36
added or destructive: pagers disease
added
37
added or destructive: atrophy
destructive
38
added or destructive: emphysema
destructive
39
added or destructive: pneumothorax
destructive
40
added or destructive: bowel obstruction
destructive
41
added or destructive: degenerative arthritis
destructive
42
added or destructive: gout
destructive
43
added or destructive: osteomalacia
destructive
44
added or destructive: osteoporosis
destructive
45
fat cat is used for what effect?
Anode heel effect
46
image screens are?
contrast enhancers
47
3 things that affect scatter
increase kvp, increase part thickness, increase field size
48
tool used to reduce part thickness
compression
49
___ are beam attenuators
filters
50
filtration changes the qualities of the beam, making the beam more?
homogeneous
51
where is penumbra always greater?
under the cathode side of the beam
52
SID-OID=SOD
SID-OID=SOD
53
two types of patient motion:
respiration (voluntary), peristalsis (involuntary)
54
the reduction in the size of the focus directed toward the image receptor versus the size of the actual area on the surface of the anode bombarded with electrons, is referred to as the?
line focus principle
55
as the angle of the anode decreases the effective focal spot?
decreases
56
wet plaster casts require what kind of technique adjustments
100% mas, or an 8-10 increase KVP
57
dry casts require what kind of technique adjustments?
50-60% mas or a 5-7 increase KVP
58
fiberglass require what kind of technique adjustments?
25-30% mas or 3-4 increase in KVP
59
what is the greets controller of quantum mottle?
mAs
60
Contrast lost results from too few X-rays reaching the IR
Quantum Mottle
61
Everything is within the glass of the X-ray EXCEPT
the stators
62
what makes up the induction motor
rotor and stator
63
X-rays are produced ____ which means they are produced with equal intensity in all directions
isotropically
64
radiation that is emitted through the metal protective housing is called leakage radiation and should not exceed?
1mGy/hr at 1 meter
65
__ are designed to reproduce a desired amount of film density on images take of selected body parts regardless of changes within the patients being examined
AEC
66
how do beam restriction devices effect pt dose:
decreses
67
how do beam restriction devices effect receptor exposure
decreases
68
how do beam restriction devices effect contrast
increases
69
Ohms Law
V=IR
70
V=
Voltage or electric potential
71
I=
current measured in amperes
72
R=
resistance measured in Ohms
73
Which of the following has no effect on radiographic contrast? a) kVp b) Focal Spot Size c) OID d) IRS
B Focal spot size a) as kvp increases contrast decreases c) as OID Increases contrast decreases d) as screen speed increases contrast increases
74
as screen speed increases contrast and receptor exposure?
both increase
75
as filtration decreases contrast and receptor exposure?
both decrease
76
the transformer found in the filament circuit is designed to send voltage in the range of ___ volts to the filament of the X-ray tube
8-12
77
formula for parallel electrical circuit
1/R1+1/R2+1/R3=1/Rt
78
``` which of the following is located on the secondary side of the step up transformer of a typical radiographic circuit? A) kVp meter B) mA Selector C) Autotransformer D) Rectifier ```
D
79
The line compensator is located on: A) secondary side of the autotransformer B) Primary side of the step up transformer C) Secondary side of the filament transformer D) Primary side of the autotransformer
Primary side of the autotransformer
80
mA selector location
primary side of filament transformer
81
Generator that has a voltage ripple of 3-4%
Three phase, twelve pulse
82
how many pulses per second occur with a three phase, six pulse radiographic unit?
360
83
The input phosphor of an image intensification tube is typically made of?
Cesium Iodide
84
Tests for reproducibility and linearity should not exceed plus or minus?
10%
85
Which of the following combinations are needed in digital radiography system to produce an image? a) intensifying screen and TFT b) xRay absorber and CCD c) storage phosphor plate and CCD d) storage phosphor place and TFT
B
86
When using flat panel detectors that use indirect conversion technology, which of the following occurs? a) light is converted into X-rays b) electrons are converted into X-rays c) X-rays are converted into visible light d) light is converted into electrons
C) X-rays are converted into visible light
87
``` Which of the following directly converts X-ray energy into a digital electrical signal? A) photoconductor B) photomultiplier C) Scintillator D) Photo stimulator ```
A Photo Conductor

Boards (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions