Exam (elaborations)
NELDA EXAM QUESTIONS AND ANSWERS
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NELDA EXAM QUESTIONS ANDANSWERS 2024-2025
Which is a safe practice in recapping of a needle? - ANSWER one-
handed scoop method
A dental assistant has completed the series of injections for hepatitis B
vaccination. The next step is to... - ANSWER get a blood test for hbv
antibodies.
If patients indicate on their health history that they have active
tuberculosis, this means that... - ANSWER They should not have
elective treatment performed in the dental office.
How long should a surgical hand scrub take the dental assistant to
perform? - ANSWER 2-6 minutes.
Alcohol hand rubs are most effective for the dental assistant when... -
ANSWER there is no debris on the hands of the dental assistant
Artificial nails are not recommended in dental settings because they... -
ANSWER have been linked to disease transmission in health care
settings
indirect contact mode of disease transmission - ANSWER puncture from
a contaminated anaesthetic needle
what type of water or irrigant should be used during surgical
procedures? - ANSWER sterile water or saline
rasing the instruments off the bottom of the tank to provide optimal
cleaning is a benefit of the... - ANSWER ultrasonic
the appropriate parameters for static air dry heat sterilization of
packaged items are - ANSWER 60 minutes are 320F
, proper parameters for unsaturated chemical vapor sterilization are... -
ANSWER 20min at 270F
which is the most common artery used to check a patient's pulse in the
dental office? - ANSWER radial
triangle containing the number that indicates the level of furcation would
be placed: - ANSWER at the apical area between two or more root
branches
properly positioned DA should be seated ? - ANSWER 4-6in above the
dentist
which class. of motion should the dentist and DA elminate to increase
productivity and decrease stress and body fatigue? - ANSWER class IV
purpose of a barbed broach? - ANSWER remove necrotic tissue
an orthodontic positioner is to - ANSWER retain the teeth in their desired
position
which instrument would be a choice when placing a gingival retraction
cord? - ANSWER blunt end of a plastic instrument
removal of the coronal portion of an exposed vital pulp is a - ANSWER
pulpotomy
a periodontal pocket marker is similar to - ANSWER cotton pliers
how many points of periodontal pocket depth are charged on each tooth
during a baseline charting procedure? - ANSWER six
when transferring an instrument with the single handed techn. toward
what would the pointed end be facing? - ANSWER operator
which ortho pliers are used in fitting bands for fixed or removable
appliances? - ANSWER contouring pliers
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