- | Page
RDA PRACTICE EXAM #1 WITH 100%
CORRECT ANSWERS
Question :A non aerosol topical anesthetic may be applied by
the:
Correct answer:DA or RDA
Question :Two primary reasons for using topical anesthetic
agents are:
Correct answer:relief of pain and anxiety
Question :Topical anesthetic is applied in the muco/buccal fold
over the apex area of operation for _____ anesthesia
Correct answer:infiltration
Question :A mobile tooth is a:
Correct answer:Sign
Question :Cracking at the corner of the mouth is known as:
Correct answer:cheilitis
- | Page
Question :The tab of tissue on the inside of the cheek just
opposite the upper first molar is:
Correct answer:the opening to the parotid salivary gland
Question :Removing tissue for examination under a microscope
is called:
Correct answer:biopsy
Question :Before administering N20 to the patient:
Correct answer:he is instructed to take several deep breaths
Question :A patient's overjet is measured by:
Correct answer:the horizontal distance the maxillary teeth
protrude beyond the mandible.
Question :A cross bite is:
Correct answer:none of the above
Question :A Class I malocclusion is:
Correct answer:The posterior teeth and mandible are in a normal
position but there are malpositioned anterior teeth.
- | Page
Question :A Class II malocclusion is:
Correct answer:The posterior teeth and maxilla are in a
protruded position in relationship to the mandible.
Question :A Class III malocclusion is:
Correct answer:The posterior teeth and maxilla are in a retruded
position in relationship to the mandible.
Question :A Class II elastic:
Correct answer:attaches a the anterior of the maxillary appliance
and the posterior of the mandibular appliance.
Question :Elastic orthodontic separators are placed:
Correct answer:by a DA
Question :The following are not used for separators:
Correct answer:Tie wires
Question :When placing a TP spring:
Correct answer:first insert lingual side
- | Page
Question :When removing separators care must be taken:
Correct answer:to avoid injuring the interdental papillae
Question :A useful instrument for removing elastic separators is
a :
Correct answer:sickle scaler
Question :T-P springs are a type of:
Correct answer:separator
Question :How long do elastic separators need to be left in
place?
Correct answer:3-5 days
Question :An elastic separator is placed by:
Correct answer:a period of more than 8 hours
Question :Headgear should not be worn during: