Dental Radiology Exam Practice Questions and Answers
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Course
Dental Radiology
Institution
Dental Radiology
Dental Radiology Exam Practice
Questions and Answers
in X-radiation, ionization occurs when? - Answer️️ -Photons penetrate
matter
what are found in the nucleus of an atom? - Answer️️ -Protons and
Neutrons
A Gray (rad)is defined as the - Answer️️ -unit of absorbed dose of
radiatio...
The quantity (numbers) of radiation emitted is primarily dependent upon
the? - Answer✔️✔️-Milliamperage Setting
The location at which x-rays originate in the x-ray tubehead is called the? -
Answer✔️✔️-Tungsten target
The most dangerous time for a fetus to be exposed to x-radiation is during
the? - Answer✔️✔️-First Trimester
If a radiographic film would be properly darkened in 2 seconds of
exposure at 10 mA, it would obtain the same darkness in 1 second of
exposure at? - Answer✔️✔️-20 mA
How often do the walls of the dental operatory need to be treated in order
to remove any residual radiation that has accumulated? - Answer✔️✔️-
Never
Compared to 75 kVp, a film produced at 90 kVp will have? - Answer✔️✔️-
High Contrast, and a long gray scale
Ionizing radiation consists of? - Answer✔️✔️-photons that travel at the
speed of light, photons that travel in a wave motion, photons without mass
The Alara concept is related to the? - Answer✔️✔️-use of minimum exposure
time and mA necessary, and use of the fastest film available
When the x-ray exits the position indicating device, it should be no more
than how many inches in diameter? - Answer✔️✔️-2.75
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