This is a device used to reduce the amount of scatter radiation that reaches an extraoral
film during exposure.
-:- grid
Identify the error that causes teeth to appear foreshortened on a radiograph.
-:- excessive vertical angle
Identify the benefit of using a long-cone (16 inch) position-in...
Dental Assisting Radiology MN Licensure
Questions and Answers | Latest Update
This is a device used to reduce the amount of scatter radiation that reaches an extraoral
film during exposure.
✓ -:- grid
Identify the error that causes teeth to appear foreshortened on a radiograph.
✓ -:- excessive vertical angle
Identify the benefit of using a long-cone (16 inch) position-indicating device, versus a short-
cone (8inch) position indicating device.
✓ -:- less magnification
What is the angulation of the central ray when using the bisection angle technique?
What is the purpose of the lead foil in the film packets?
✓ -:- to stop the backscatter radiation
The step-down transformer is controlled by the?
✓ -:- mA dial (milliamperage)
Where are x-rays produced?
✓ -:- positive anode
X-rays are made up of:
✓ -:- photons
Which film speed is currently the fastest intraoral film available?
✓ -:- F speed film
Which of the following appear most radiopaque on a radiograph?
a. enamel
b. silver points
3|P a g e | G r a d e A + | 2 0 2 0 2 5
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 TestTrackers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.