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Dental Radiographs Test

Enter the letter for the matching Answer
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1.
What type of radiation is given off when the primary beam comes is deflected as it contacts the bones of the skull and teeth?
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2.
What should the dental assistant do if a patient refuses dental radiographs?
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3.
A structure that appears dark on a radiograph because it allows radiation to easily pass through it is called
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4.
A light leak in the darkroom can result in
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5.
What is the term used to describe that each dose of radiation adds on to earlier doses?
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6.
The most commonly used film size used for adult intraoral dentistry is ______.
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7.
The overall blackness or darkness of a film is called
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8.
In which part of the x-ray tube are electrons given off by a heated filament?
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9.
The acronym ALARA stands for
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10.
_______ refers to how well the radio-graph reproduces fine details or distinct outlines of an object
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11.
the most critical component in film processing quality control is?
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12.
Which of the following statements is true concerning the structure of the atom?
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13.
The major source of cross-contamination during radiographic procedures is the
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14.
List four characteristics of x-rays.
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15.
The longer the wavelength the __________ its ability to penetrate matter.
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16.
A plan to ensure that dental office procedures and equipment produce high quality images with a minimum of exposure to patients and personnel is called
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17.
Exposure to radiation _______.
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18.
Secondary radiation _______.
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19.
The Consumer-Patient Radiation Health and Safety Act requires that:
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20.
Which component of the x-ray machine functions in positioning the tubehead?
A.
density
B.
refers to x-radiation that is created when the primary beam interacts with matter
C.
a dull gray film that lacks contrast.
D.
a. Document in the patient's record the fact that he or she refused recommended radiographs. b. Explain to the patient the importance of radiographs. c. Discuss the patient's refusal with the dentist.
E.
maintaining the freshness of the processing solutions
F.
size #2
G.
scatter
H.
No mass or weight No charge Cause ionization Absorbed by matter
I.
anyone taking radiographs by trained and certified.
J.
Less
K.
Cathode
L.
Cumulative
M.
exposed film packet.
N.
extension arm
O.
no matter how small, has the potential to cause harmful biologic changes
P.
quality assurance
Q.
As Low As Reasonably Achievable
R.
Sharpness
S.
radiolucent
T.
The orbital path of an electron around the nucleus is called an electron shell
Type the Answer that corresponds to the displayed Question.
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21.
Which of the following tissues has the highest radiation sensitivity?
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22.
What part of the cell is affected by x-rays?
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23.
One of the rules of radiation protection is to never stand closer than _______ feet from the x-ray unit during an exposure unless you are behind a barrier.
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24.
Anything that occupies space and has a form or shape is ______.
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25.
The range of shades of gray between black and white on a radiograph is called
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26.
In which part of the x-ray tube does the impact of electrons on a tungsten target produce x-rays?
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27.
The heart of the x-ray generating system is the _______.
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28.
a dull gray film that lacks contrast.
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29.
Radiographs are the property of:
Type the Question that corresponds to the displayed Answer.
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30.
is a negatively charged particle.

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