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WorksheetsChapter 38
Total questions: 25
Worksheet time: 14mins
Which of these is NOT a use of dental radiography ?
Detect dental caries
to scare your paitent into brushing thier teeth more
Evaluate Growth and development
Identity bone loss
what does "ALARA" stand for?
Achievable Low Radiation Absorption
As Long As Radiation Absconds
As Low As Reasonably Achievable
Laura’s Radiation Principles
The blurred or indistinct area that surrounds an image.
Photon
Ion
Plasma
Penumbra
The part of the x-ray unit that contains the x-ray tube, the highvoltage and low-voltage transformers, and insulating oil.
(a)
A device used to detect and measure an accumulated dosage of radiation.
dosimeter
decagon
decompose
doge challenger
3 types of radiation
Primary
Tertiary
Scatter
Secondary
Three characteristics of an x-ray beam
intensity
quantitiy
sharpness
quality
increasing miliamperage (mAs) ...
increases contrast
decreases contrast
increases dentisity
decreases density
increases kilovoltage (kVp)...
increases contrast
decreases contrast
refers to how well an image reproduces the fine details or distinct outlines of an object. aka detail, resolution, or definition
distortion
intensity
sharpness
density
What is the maximum permissible dose for non occupationally exposed people?
5.0 rem
.5 rem
.1 rem
.2 rem
True or False: Somatic damage is passed down?
True
False
Increased time increases...
contrast
dentisty
sharpness
quality
Range of shades grey to black to white
white scale
black scale
grey scale
orange scale
What is created when x radiation interacts with matter
scatter radiation
secondary radiation
primary radiation
tertiary radiation
Where is the tungsten target
shaftode
anode
cathode
mathode
Where is the focusing cup?
shaftode
cathode
anode
mathode
How many impusles are emitted in half a second?
40
80
60
30
Bremsstrahlung is the German word for what?
Burn
Braking
Detect
Bisecting
What is the MPD for persons occupationally exposed to radiation?
500 mrem
5.0 mrem
5000 mrem
50 mrem
If you fold a lead apron what happens as time passes?
breaking
cracking
creasing
snapping
Which film speed do we use ?
F speed
D speed
G speed
E speed
Who was an advocate for radiation safety?
Eastman Kodak
Wilhelm Roetngen
WH Rollins
W.E.B. DuBois
What maintains elections in orbit?
Neutron Binding energy
Proton Binding Energy
Nucleus Binding energy
Electron Binding energy
Yes or No: Can X-rays cause substances to flourese?
Yes
No
