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Radiology Exam Flashcards

1
Q

Who Invented X-Ray in 1895

A

Roentgen

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2
Q

Radiation is defined as

A

The movement of energy through space

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3
Q

Exposure Time is

A

Interval that the X-Ray machine is fully activated and x-rays are produced

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4
Q

Hard Radiation

A

More damage

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5
Q

Soft Radiation

A

Limited damage

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6
Q

Absorption

A

Process of transfering the energy of x-rays to the atoms of the material through which the x-ray beam passes

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7
Q

Electromagnetic radiation

A

Movement of wavelike energy (Electric and Magnetic fields)

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8
Q

Velocity

A

Speed of the wave

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9
Q

Photons

A

Bundles of energy that travel through space at speed of light

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10
Q

Frequency

A

Measure of the NUMBER of waves that pass a given point per unit of time

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11
Q

Radiopaque

A

White, Bone, enamel, dentin, MORE dense (Light/Bright in X-ray)

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12
Q

Radiolucent

A

Dark, Pulp Chamber, Air Space, LESS dense (Darker in X-ray)

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13
Q

KvP

A

Controls the QUALITY

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14
Q

mA / milliamperage

A

Controls the QUANTITY

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15
Q

High KvP = ____ Contrast

A

Lower Contrast

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16
Q

Density is

A

the Degree of Darkness in a radiograph

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17
Q

Increased mA =

A

Darkens Density of Radiograph

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18
Q

Scatter Radiation

A

X-ray that bounce off bones and teeth

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19
Q

Tori

A

Extra bone growth in mouth

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20
Q

Vertical Angulation

A

PERPENDICULAR

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21
Q

Positive Angulation

A

Points down

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22
Q

Negative Angulation

A

Points up

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23
Q

PID

A

Position Indicating Device

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24
Q

Horizontal Angulation

A

Horizontal

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25
What is the MOST common technique to take an x-ray
Paralleling Techniques
26
Paralleling Technique
Sensor, teeth, and tube are all //
27
Bisecting technique
X-ray beam directed at a 90 degree angle
28
XCP Film Holder
Holds sensor on lingual of tooth parallel, shows where to shoot
29
Embossed dot goes toward...
Towards the occlusal surface
30
Bitewing Radiograph is also known as
Interproximal Radiograph
31
Horizontal Bitewings
Most common, decay, interproximal spaces
32
Vertical Bitewings
Periodontal involvement
33
Bitewing abbreviation
BW
34
Periapical Radiograph Abbreviation
PA
35
Periapical Radiograph
Whole tooth (including roots)
36
What size covers everything, anterior, posterior, max/man
Size 4 Occlusal
37
FMX
Full Mouth Series - 18 Radiographs (4 BW, 14 PA)
38
Its important to remove earrings, nose rings, glasses ext for which x-ray
Panoramic x-ray
39
What is Tori
Extra bone growth
40
Elongation
When angulation is to extreme
41
Overlap
Tube is to distal or mesial
42
Cone Cut
Tube misses sensor
43
Double Exposure
Film used twice (Blurry)
44
Under Exposed(Processed)
Bright
45
Over Exposed/Processed
Dark
46
Seeing thyroid collar is not chrome cut
True
47
Distortion / Bent Film
Shows Black Lines
48
Film Fog
Heat or Humidity is high
49
Yellow or Brown finish
Film wasnt washed
50
1st Step to process dental film
Developing
51
2nd Step to process dental film
Rinsing
52
3rd Step to process dental film
Fixing
53
4th Step to process dental film
Washing
54
5th Step to process dental film
Drying
55
Mental Foramen
Area near 1st mandibular premolar
56
Lingual Foramen
Inferior to mandibular central incisor
57
How far should you be when x-ray is taken
6-feet
58
ALARA
As Low As Reasonably Achievable
59
Adult needs how many BWs
4
60
Children needs how many BWs
2
61
Always ask what before x-rays
Are you pregnant or planning to expect?
62
how much x-ray exposure can workers have per year
50 mSv
63
How much x-ray can the general public have per year
5 mSv
64
What radiation speed is best to reduce exposure
F speed

UVDA (2 decks)

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