Exam (elaborations)
Dental Radiology Final Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
- Course
- Institution
Dental Radiology Final Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
[Show more]
Content preview
Dental Radiology Final Exam | Questions And Answers Latest {2024- 2025} A+ Graded |100% Verified
in X-radiation, ionization occurs when? - Photons penetrate matter
what are found in the nucleus of an atom? - Protons and Neutrons
A Gray (rad)is defined as the - unit of absorbed dose of radiation per gram of tissue
which cell type is most sensitive to carcinogenesis following porlonged exposure to ionizing radiation? -
Blood
What part of an atom that carries a negative charge? - Electron
the biologic effect of ionizing radiation is related to the? - Area Exposed, Dose rate, and Total dose
Which Disease is associated with long-term, low level radiation exposure? - Leukemia
The x-rays that are most likely to be absorbed by the skin are x-rays that are - Of long wavelength
The time between exposure to x-rays and appearance of radiation damage is called the? - Latent Period
The quantity (numbers) of radiation emitted is primarily dependent upon the? - Milliamperage Setting
The location at which x-rays originate in the x-ray tubehead is called the? - Tungsten target
The most dangerous time for a fetus to be exposed to x-radiation is during the? - 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? - 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? - Never
Compared to 75 kVp, a film produced at 90 kVp will have? - High Contrast, and a long gray scale
Ionizing radiation consists of? - 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? - 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? - 2.75
When is it acceptable to allow the operator to hold radiographic film for a patient during exposure? - It
is never acceptable to hold the film during exposure
What is the primary purpose of the lead foil in an intraoral film packet? - prevent fogging of the film
According to the National Council of Radiation Protection standards, The annual Maximum Permissible
Dose (MVD) of radiation for non- occupationally exposed adult patients is? - .1 rem
The Collimator is composed of? - Lead
If the operator cannot leave the room during radiographic exposure she should? - Stand 6 feet away at a
90-135 degree angle to the central beam
an aluminum filter in a dental x-ray unit functions to? - absorbs x-rays of long wavelengths
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 oneclass. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.48. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now