Exam (elaborations)
DAT 112 FINAL EXAM Questions with 100% correct answers
- Course
- Institution
DAT 112 FINAL EXAM Questions with 100% correct answers
[Show more]
Seller
Follow
stuviaexam
Content preview
DAT 112 FINAL EXAM✅✅-backwards
When the film is reversed, the image will be: -
a panormic film ___ taken using an ____ technique - ✅✅-1; extraoral
✅✅
in panoramic radiography, the movement of the film and the tubehead produces an
image through the process known as - -tomography (got it from quizlet)
✅✅
The rotational change in a panoramic machine allows the image layer to conform to
the ____ shape of the dental arches. - -rotational panoramic imaging
in panoramic radiography, the ___ is the theoretical concept used to determine
✅✅
where the dental arches must be positioned to achieve the clearest image -
-focal trough (got it from quizlet)
the closer the rotation center is to the teeth, the wider the focal trough. In most
✅✅
panoramic machines, the foal trough is wide in the anterior region and narrow in the
posterior region - -False, False
The collimator used in the panoramic x-ray machine is ___ plate - ✅✅-lead
✅✅
the collimator used in panoramic radiography has an opening in the shape of a ____
slit - -vertical
✅✅
the tubehead of the panoramic unit always rotates ___ the patients head as the film
rotates ___ the patient - -behind; in front
Panoramic screen film is exposed by: - ✅✅-Intensifying screens in a cassette
holder (got it from quizlet)
✅✅
rare earth screens emit ___ light and are considered faster than calcium tungstate
screens which emit ___light - -green; blue
a cassette has ___ intensifying screen - ✅✅-one
a ghost image occurs when - ✅✅-an anatomic structure is outside of the focal
plane
to prevent underexposure, check and increase ___ as neded - ✅✅-exposure time
Long, distorted teeth appear on the film when: - ✅✅-The vertical angulation is
insufficient
,a cone cut occurs when - ✅✅ -The PID was not properly aligned with the periapical
film holder (quizlet)
tubehead is not parallel to the film
✅✅
When the third molar regions are not visible on a molar bite-wing film, the solution is
to: - -move the film & tubehead distally
With ____, images appear stretched and distorted. - ✅✅-Film bending (quizlet)
enlongated images (vertically)
to avoid double exposure - ✅✅-seperate films so that no contact takes place
during processing
✅✅
periapical radiographs must show the entire crowns and roots of the teeth being
examine as well ___ to ___ - -1/18 " to 1 "
✅✅
parellel is defined as - -moving or lying in the same plane; always separated by
the same distance and not interesting
An increased ____ distance results in increased image magnification. - ✅✅-object
✅✅
which of the following film holders including aiming rings that aid in the alignment of
the PID with the film - -XCP INSTRUMENT
✅✅
the authors recommend using size ___ for anterior teeth and size ___ film for
posterior teeth - -1 or 2 and 2
✅✅
with size 2 film a total of ___ anterior film placements are used with the paralleling
technique - -6
✅✅
the recommended posterior periapical sequence for the RINN XCP INSTRUMENT
starts with - -max right premolars
✅✅
when the patient has a shallow palate requiring a modification in technique -
-use controol roll
when placing films in the mandibular premolar region the film must be placed ___ the
✅✅
tongue, when inserting the film holder into the mouth the film is tipped ___ the
tongue - -away; towards
✅✅
the lingual cusp of the first premolar usually obscures the distal contact of the canine
on the ____ exposure - -premolar
, ✅✅
which on the following commercially available film holders can be used w/ bisecting
technique - -RINN BAI
when the stepwedge technique is used to evaluate developer strength if the density
✅✅
on the daily radiograph differs from on the standard radiograph by more than ___
steps the developer solution is depleted - -2
If the film clears in ____ minutes, the chemistry is of adequate strength. - ✅✅-5
✅✅
when nonverbal messages are not consistent with verbal messages the patient is
more likely to - -get confused and be unhappy and possibly refuse treatment
inviting a patient to ask questions - ✅✅-to make sure they get all the oral health
education they can
the patients first impression of the dental team most often involves the - ✅✅-the
receptionist
infectious diseases may be transmitted from - ✅✅
-pathogens such as: cold and flu
viruses and bacteria. Herpes simplex virus, cytomegalovirus, HEP B AND C
one of the advantages of using DICOM DATA is that images among dental
professionals, imaging centers, and physicians may be shared. The volume data
✅✅
produced is similar to medical computed tomography but CBCT uses more radiation
to acquire the images - -FRIST TRUE SECOND FALSE
factors that can be altered when scanning the patient include - ✅✅-patient
movement and artifacts side of FOV, lack of training
(fov = filed of view)
the specialized equipment necessary for three dimensional imaging that accepts the
✅✅
raw data and converts it to a stack of axial images called DICOM images is called
the - -computer
✅✅
which of the following choices would represent the suggested film placement
sequence for a patient who is likely to gag - -max molar (max r.)
when intraoral films are impossible to obtain the radiographer should - ✅✅-take
panoramic extraoral films
if the patient gags the dental radiographer must - ✅✅-??? ill look in a min
if a person is blind or visually impaired the dental radiographer must - ✅✅-use
clear verbal communications
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 stuviaexam. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.31. 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