Dental Radiology Exam Questions with Correct Answers
17 views 0 purchase
Course
Dental Radiology
Institution
Dental Radiology
Dental Radiology Exam Questions with Correct Answers
How big should the x-ray beam be? - Answer-2.75 inches in diameter
4 characteristics that make x-rays important to dentistry - Answer-~penetrate materials that stop or reflect light
~can be recorded and seen on a photographic film
~can ca...
Dental Radiology Exam Questions
with Correct Answers
How big should the x-ray beam be? - Answer-2.75 inches in diameter
4 characteristics that make x-rays important to dentistry - Answer-~penetrate materials
that stop or reflect light
~can be recorded and seen on a photographic film
~can cause biological changes and even kill
~cause certain chemical crystals to give off light
4 other names for the cathode - Answer-wire coil
tungsten coil
filament
negative component
4 other names for the anode - Answer-target
tungsten target
wolfram target
positive component
2 other names for the x-ray tube - Answer-vacuum tube
glass envelope
What does PID stand for and proper cone? - Answer-postion indicating device
lead lined and open ended
What's the best type of cone to use? What cone can't you use? - Answer-rectangular 16
inches
never a plactic pointed cone
What terms refer to cone length? - Answer-focal film distance FFD
target film distance TFD
What switch generates x-rays(3 names)? - Answer-activating button
exposure button
deaad man switch
What does the length of the timer depend upon (6 things)? - Answer-the unit
type of film or digital sensor
kVp/mA
, cone length
density of tissues
What is radiation biology? - Answer-science that deals with the effects of radiation on
living tissue
ionizing radiation - Answer-the breaking apart of charged ions within the cells
results in damage to the tissues
Define chronic exposure or effects - Answer-With higher doses of radiation there will be
noticeable change
Which cells are the most sensitive to radiation? - Answer-rapidly multiplying and dividing
cells
Examples of sensitive cells(8): - Answer-reproductive cells
hair and nails
young blood cells-bone marrow
skin
eyes
thyroid gland
lymphoid organs
fetal cells
When is the most dangerous time for a pregnant women to have x-rays and the safest
time? - Answer-1st and 3rd trimester
2nd trimester
Examples of less sensitive cells(8): - Answer-adult bone
mature blood cells
muscles and nerves
salivary glands
lungs, kidneys, and liver
What is the first symptom of over exposure to radiation? - Answer-erythema- reddening
of the skin
What is radiation caries? - Answer-radiation treatment leads to thickening of the saliva
whcih contains more bacteria in the mouth leaving the person more inclined to develop
cavities
latent period - Answer-time lapse from x-ray exposure until damage is seen
somatic effects - Answer-effects from radiation that effect all cells but reproductive cells
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 Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
