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NDAEB- MDA PREP CHAPTER QUESTIONS
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NDAEB- MDA PREP CHAPTER QUESTIONS
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NDAEB- MDA PREP CHAPTER QUESTIONSWhat surgical procedure describes a hemisection? - answer- 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? - answer- skin, oral mucosa, thyroid
gland, nerve
Which is the preferred method used to hold and transfer a bulky instrument such as the
surgical forceps? - answer- 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? - answer-
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: - answer- weaken the glove material, especially
latex
When should a full adult series of dental images be considered for a child or
adolescent? - answer- 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? - answer- dietary intake
Which of the following terms indicates the highest level of killing power? - answer-
bacteriocidal agent
When using a stepwedge to test developer strength, a total of ____________ films
should be taken. - answer- 20Which Occupational Safety and Health Administration
(OSHA) document required for the office contains a plan for postexposure evaluation
and follow-up? - answer- Exposure Control Plan
Which type of film is used in panoramic imaging? - answer- screen
Which is the surgical procedure in which bone is added, reshaped, and contoured? -
answer- osteoplasty
How does static electricity appear on a developed film? - answer- black branching lines
Which of the following rotary instruments would cut fastest and most efficiently? -
answer- diamond stone
, A posterior tooth with a deep preparation close to the pulp chamber may require a base
that is designed to prepare pulpal defense by functioning as a(n): - answer- insulating
base
Why is a patient who is hyperventilating instructed to breathe into his or her cupped
hands? - answer- 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) - answer- die
You have a package of outdated dental film. How should you dispose of it? - answer-
Contact an approved waste removal service.
If the charting conditions indicate that there is a furcation involvement, a triangle
containing the number that indicates the level of furcation would be placed: - answer- at
the apical area between two or more rooth branches
When densities differ by more than two steps on a stepwedge, which protocol should be
followed? - answer- Replace the processing solutions
If an administrative assistant chooses to transmit a transaction about a patient
electronically, under which Act does this task fall? - answer- ADA
The surgical removal of diseased gingival tissues is called: - answer- gingivectomy
The surgical removal of the apex of an endodontically treated tooth is what procedure? -
answer- apicoectomy
A dental assistant must remove a used scalpel blade from a reusable handle. What is
the appropriate procedure for removing the blade? - answer- Remove the blade with a
hemostat.
Which of the following represents the maximum permissible dose (MPD) for the general
public? - answer- 0.1rem/yr
An intermediate-level surface disinfectant would not kill which microbe? - answer-
spores
When adjusting a crown after cementation, the dentist most likely would use a(n)
______. - answer- stone
In selecting a shade for a composite restoration, under which of the following conditions
should the shade be selected? - answer- Keep the tooth moist and select the shade
before tooth preparation.
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