Exam (elaborations)
DENTAL RADIOGRAPHY MIDTERM EXAM | 64 QUESTIONS AND ANSWERS 100% CORRECT | UPDATED
- Course
- Institution
DENTAL RADIOGRAPHY MIDTERM EXAM | 64 QUESTIONS AND ANSWERS 100% CORRECT | UPDATED
[Show more]
Seller
Follow
StudySet
Reviews received
Content preview
DENTAL RADIOGRAPHY MIDTERM EXAM | 64QUESTIONS AND ANSWERS 100% CORRECT |
UPDATED 2024-2025
The dentist who is credited with the first practical use of radiographs in dentistry -
ANSWER Edmond C. Kells
the _____ the wavelengths of the x-rays, the greater their energy and their
usefulness - ANSWER the shorter the wavelengths
The component of the x-ray machine that functions in positioning the tube head is
_______ - ANSWER the extension arm
The heart of the x-ray generating system is called - ANSWER the x-ray tube
the type of radiation that is created when the primary x-ray beam interacts with
matter - ANSWER Secondary Radiation
What structures appear radiolucent on an radiograph? - ANSWER soft tissue,
air spaces, abscesses, tooth decay, and the dental pulp
What structures appear radiopaque on an radiograph? - ANSWER metal
restorations, composite resins, implants, enamel
What term _____ is used to describe areas that appear dark on the image -
ANSWER Radiolucent
, What term _____ is used to describe areas that appear white or light gray -
ANSWER Radiopaque
The range of shades of gray between black and white on an image is called: -
ANSWER Contrast
What controls the degree of density (blackness) of an image? - ANSWER mAs
What cells are the most radio-sensitive? - ANSWER small lymphocytes, bone
marrow, and reproductive cells
What cells are the least radio-sensitive? - ANSWER the salivary gland, thyroid
gland, kidney, muscle, and nerve tissues
When do a thyroid collar and a lead apron have to be used? - ANSWER on all
patients for all exposures (except Pano's - thyroid collars are not recommended)
What is the recommended safe distance for assistance to be away from radiation
exposure? - ANSWER 6 feet
What part of the x-ray machine provides the electrons that produce x-rays? -
ANSWER the cathode
If you change the exposure time of the x-ray unit, what is affected? - ANSWER
the number of x-rays that are produced
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 StudySet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$18.14. 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