Exam (elaborations)
ODU Dental Radiation Safety Certification Questions and Answers 100% Correct
- Course
- Institution
ODU Dental Radiation Safety Certification
[Show more]
Content preview
ODU Dental Radiation SafetyCertification
Who discovered x-rays? - answer Roentgen
Who is considered the first Radiology Instructor? – answer Raper
Who utilized a procedure as "setting the tubes"? - answer Kells
What is William H. Rollins known for? - answer First to publish radiation exposure
warnings
What is the prototype (model) of the tube used in today's x-ray machines? - answer
Coolidge Tube
What does "fast film" mean? - answer Requires *less* *radiation* to *produce* an
*image*
The process by which radiant energy removes an orbital electron from an atom is
called______? - answerionization
What type of radiation are dental x-rays? - answerEM (Electromagnetic)
Which source of radiation do x-rays fall under? - answerartificial (man-made)
List characteristics of x-radiation: - answer1.) Invisible
2.) Have NO: mass, weight, or electrical charge
3.) Travel in: waves of short length & high frequency, straight lines, at speed of light
(186,000 miles/sec)
4.) Particle concept: photons
5.) Wave concept: velocity, wavelength, and frequency
6.) Cause: ionization, fluorescence of certain chemicals, biological changes through
process of ionization
7.) Effect: film emulsion
8.) Diverge: from point of origin; cannot be focused to a point
The component of the dental x-ray machine where the on/off switch is locted is called
the_________? - answercontrol panel
The component of the dental x-ray machine that supports and suspends the tubehead is
called the_____? - answerExtension arm
, When electrons flow in one direction only along a conductor, the current is
called_______? - answerDirect Current
When electrons flow in one direction and then reverse to flow in the opposite direction,
the current is called______? - answerAlternating Current
The distance from the crest of one wave to the crest of the next wave is called______? -
answerWavelength
The ampere is a measurement of________? - answerThe number of electrons flowing
in the circuit (quantity)
The volt is a measurement of________? - answerThe electrical potential or force that
moves the electrons along the electrical conductor (quality)
What are the 4 requirements for the production of x-rays? - answer1. Vacuum
2. Source of Electrons
3. Target
4. Accelerating potential
The device that increases voltage for the tube circuit is called the_________? -
answerStep-up Transformer
The device that decreases the voltage for the filament is called the ________? -
answerStep-down Transformer
The negative portion of the vacuum tube is called the________? - answerCathode
The positive portion of the vacuum tube is called the __________? - answerAnode
The cathode is composed of the _______ and the _______? - answerFilament &
Focusing Cup
The anode is composed of the _______ and the _______? - answerTarget & Copper
Stem
The process of removing low energy wavelengths from the x-ray beam is ________? -
answerfiltration
If a dental x-ray machine is capable of being set at 70 kVp and above the filtration must
be_______? - answer2.5 mm thickness of aluminum
The lead collimator functions to ________? - answerrestrict the size and/or shape of the
x-ray beam.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now