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MDA Chapter Questions NDAEB Prep with correct Answers
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MDA Chapter Questions NDAEB Prep with correct Answers
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MDA Chapter Questions NDAEB Prepwith correct Answers
What surgical procedure describes a hemisection? - Correct Answers -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? - Correct Answers -skin, oral
mucosa, thyroid gland, nerve
Which is the preferred method used to hold and transfer a bulky instrument such as the
surgical forceps? - Correct Answers -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? - Correct
Answers -wiping down with an intermediate-level hospital-grade disinfectant
Essential organic substances that are needed to release energy from carbohydrates,
fats, and proteins are: - Correct Answers -vitamins
You have a new dental x-ray machine. The length of the PID is changing from 16 to 8
inches. How does this affect the intensity of the x-ray beam? What adjustment will you
need to make to keep the density of your images consistent? - Correct Answers -he
resultant beam will be four times as intense. You will need to decrease the exposure
time.
When a dental assistant is cleaning instruments, what type(s) of personal protective
equipment should be worn? - Correct Answers -safety glasses, examination gloves, and
protective gown
Hand lotions with petroleum- or oil-based ingredients should not be used in a dental
office because these products can: - Correct Answers -weaken the glove material,
especially latex
When should a full adult series of dental images be considered for a child or
adolescent? - Correct Answers -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? - Correct Answers -dietary
intake
Which of the following terms indicates the highest level of killing power? - Correct
Answers -bacteriocidal agent
When using a stepwedge to test developer strength, a total of ____________ films
should be taken. - Correct Answers -20
A dental assistant must remove a used scalpel blade from a reusable handle. What is
the appropriate procedure for removing the blade? - Correct Answers -Remove the
blade with a hemostat.
Which of the following represents the maximum permissible dose (MPD) for the general
public? - Correct Answers -0.1rem/yr
An intermediate-level surface disinfectant would not kill which microbe? - Correct
Answers -spores
When adjusting a crown after cementation, the dentist most likely would use a(n)
______. - Correct Answers -stone
In selecting a shade for a composite restoration, under which of the following conditions
should the shade be selected? - Correct Answers -Keep the tooth moist and select the
shade before tooth preparation.
Which of the following does a film badge monitor? - Correct Answers -radiographer's
daily occupational radiation exposures
The dental assistant will mix the glass inomer to a ________ or ________ consistency
for a core build - Correct Answers -base, secondary
What is the respiration pattern for a patient who is hyperventilating? - Correct Answers -
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? - Correct Answers -
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 __________. - Correct Answers -gingival
curettage
Why is a patient who is hyperventilating instructed to breathe into his or her cupped
hands? - Correct Answers -to increase the carbon dioxide levels
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