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MDA CHAPTER QUESTIONS NDAEB PREP QUESTIONS & ANSWERS UPDATED
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MDA CHAPTER QUESTIONS NDAEB PREP QUESTIONS & ANSWERS UPDATED
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MDA CHAPTER QUESTIONS NDAEB PREPQUESTIONS & ANSWERS UPDATED 2024- 2025
What surgical procedure describes a hemisection? ANS - removal of the root and crown by cutting
through each lengthwise
With regard to tissues most sensitive to radiation, which of the following is the correct order from most
sensitive to least sensitive tissue? ANS - skin, oral mucosa, thyroid gland, nerve
Which is the preferred method used to hold and transfer a bulky instrument such as the surgical
forceps? ANS - palm grasp
In addition to barrier technique, which of the following is an infection control measure concerning the
wire connections from the sensor to the digital image unit? ANS - wiping down with an intermediate-
level hospital-grade disinfectant
Hand lotions with petroleum- or oil-based ingredients should not be used in a dental office because
these products can: ANS - weaken the glove material, especially latex
When should a full adult series of dental images be considered for a child or adolescent? ANS - when
clinical evidence of generalized disease is present and the adolescent has first and second molars
Which factor would not contribute to xerostomia in a patient? ANS - dietary intake
Which of the following terms indicates the highest level of killing power? ANS - bacteriocidal agent
When using a stepwedge to test developer strength, a total of ____________ films should be taken.
ANS - 20
A dental assistant must remove a used scalpel blade from a reusable handle. What is the appropriate
procedure for removing the blade? ANS - Remove the blade with a hemostat.
, Which of the following represents the maximum permissible dose (MPD) for the general public? ANS -
0.1rem/yr
An intermediate-level surface disinfectant would not kill which microbe? ANS - spores
When adjusting a crown after cementation, the dentist most likely would use a(n) ______. ANS - stone
In selecting a shade for a composite restoration, under which of the following conditions should the
shade be selected? ANS - Keep the tooth moist and select the shade before tooth preparation.
Which of the following does a film badge monitor? ANS - radiographer's daily occupational radiation
exposures
The dental assistant will mix the glass inomer to a ________ or ________ consistency for a core build
ANS - base, secondary
What is the respiration pattern for a patient who is hyperventilating? ANS - excessively short, rapid
breaths
Once a practice fully makes the change from paper records to an electronic patient record, what should
the office do with the old paper documents? ANS - Move them to secure off-site storage.
The procedure performed to remove subgingival calculus and to remove necrotic tissue from the
periodontal pocket is referred to as __________. ANS - gingival curettage
Why is a patient who is hyperventilating instructed to breathe into his or her cupped hands? ANS - to
increase the carbon dioxide levels
A reproduction of an individual tooth on which a wax pattern may be constructed for a cast crown is a(n)
ANS - die
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