DENTAL RADIOLOGY FINAL EXAM REVIEW QUESTIONS AND ANSWERS 100% CORRECT!
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Course
DENTAL RADIOLOGY
Institution
DENTAL RADIOLOGY
What does the nucleus of an atom contain? - ANSWER Protons and neutrons
What are photons? - ANSWER - bundles of energy without mass or weight
- bundles of energy that travel at the speed of light.
- they are a component of the particle concept of electromagnetic radiation.
When contrasted w...
, DENTAL RADIOLOGY FINAL EXAM
REVIEW QUESTIONS AND ANSWERS
100% CORRECT!
What is a radiograph? - ANSWER A picture on film produced by the passage of x-rays
through an object or body.
What is one of the main reasons that radiographs are considered an important and
necessary part of patient care? - ANSWER Many dental diseases are typically
discovered only through the use of dental radiographs.
What does the nucleus of an atom contain? - ANSWER Protons and neutrons
What are photons? - ANSWER - bundles of energy without mass or weight
- bundles of energy that travel at the speed of light.
- they are a component of the particle concept of electromagnetic radiation.
When contrasted with the use of 65 kV to 75 kV for dental x-rays, the use of 85 kV to
100 kV produces _________ x-rays and __________ wavelengths - ANSWER The use
of 85 kV to 100 kV for dental x-rays produces more penetrating dental x-rays with
shorter wavelength.
What does kVp represent? - ANSWER The maximum or peak voltage of an alternating
current.
When low kilovoltage peak settings are used (65 kVp to 70 kVp), a film with ____
contrast will result. - ANSWER high contrast
The quantity of the x-rays produced is controlled by what factor? - ANSWER mAs
(milliamperage)
An increase in density comes from an increase in what other factor? - ANSWER kVP or
mAs
According to the inverse square law, the intensity of radiation is ____ proportional to the
____ from the source of radiation. - ANSWER inversely; square of the distance
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