RDA ACTUAL EXAM 2026: 140+ QUESTIONS AND
100% VERIFIED ANSWERS | GRADED A+ |
GUARANTEED PASS!!
If a patient is recieving too much nitrous, what should you do?
ANS: Quickly reduce or completey turn off the nitrous oxide, while increasing the
oxygen
If a small child needs x-rays and cannot hold films, who should hold them?
ANS: The parent or child or someone who is not exposed to occupational radiation
If you are using a base, when should you place a varnish or sealer?
ANS: If what you are placing into the tooth is harmful to the tooth, place a varnish
or sealer first. If what youre placing into the tooth is not harmful, place a varnish or
sealer afterwards
If your patient stops breathing and has no pulse, what should you do?
ANS: Being CPR, call for assistance and continue CPR
In what direction is a ligature wire twisted?
ANS: Clockwise
In what three ways can arch wires be ligated into orthodontic brackets?
ANS: Wire ligatures and elastic ligatures. and self ligating brackets
Incisive papilla
ANS: the papilla located between the maxillary central incisors
Is it alright to touch the curing rod directly on a restoration while you are curing?
ANS: You should cure for at least 10seconds before you touch the end of the rod to
a restoration, otherwise the material will stick to the end of the rod
Is it necessary to use a matrix band on a class II temporary dressing?
ANS: Yes
,Leukoplakia
ANS: White patches usually found on the buccal surfaces mucosa which are
precancerous, but not cancer
List Angles's classification of maloocclusion.
ANS: Class I-Neutrocclusion, Class II-Distoocclusion, Class III-Mesiocclusion
List several ways personnel can become contaminated with mercury in the dental
office?
ANS: By handling amalgam during the removal of old restorations. the material
can enter through the nasal passages the eyes and the mouth. Improper mercury
and amalgam scrap storage can also increase vapor levels in the office
List the four basic food groups.
ANS: Meat and meat substitutes, milk and milk production, fruits and vegetables,
enriched whole grains
List the three most common types of fluoride?
ANS: Acidulated phosphate(APF), Sodim(NaF) and Stannous (Snf)
List those things which can be done to reduce the level of mercury in the office?
ANS: Wear a mask and safety glasses during the removal of old alloys, store scrap
amalgam in a tightly sealed jar, keep all materials on an edged tray, monitor staff
on an annual basis for mercury levels, dont handle amalgam directly.
Of the following, which is the least important factor when judging the quality of a
temporary filling; sealed margins, correct occlusion, contact points,correct
anatomy?
ANS: Correct Anatomy
On what area of the tooth should the band be placed?
ANS: Middle 1/3 of the tooth, although this may vary with bonded brackets
On what area of the tooth should you place the vitalometer when testing the tooth?
ANS: On the enamel, in the middle 1/3 of the tooth
Respectively, What are the colors of the oxygen and nitrous oxide tanks?
ANS: Green and Blue ( in that order)
, Should cold sterilizing solutions be used for all instruments?
ANS: No only heat sensitive instruments should be places in these solutions. BUT
really...this stuff is ineffective how is is usually used and dangerous to personnel
Tapping on a tooth with an instrument may help determine a certain sensitivity.
What is that sensitivity?
ANS: Percussion
The doctor is away, you are an RDA, a patient comes into office and says they
have lost their temporary filling. What should you do?
ANS: Refer to another dentist or make a new appointment if the patient is not in
pain
The most common site for oral cancer is?
ANS: Lateral borders of the tongue
The opening of the parotid salivary gland is found where?
ANS: Through the stensons duct.
Under what circumstances may an RDA remove Subgingival cement?
ANS: An RDA may remove cement from all tooth surfaces
Under what conditions may a Da assist in the administration of nitrous oxide?
ANS: If the dentist is in the operatory, giving direction
What agency has regulations to help protect workers from hazardous materials?
ANS: OSHA and Cal-DOSH
What are considered the two "energy nutrients"?
ANS: Carbohydrates and lipids (fats)
What are some functions of the mouth mirror?
ANS: Retraction of tissue, reflection of light and indirect vison
What are some important considerations when selecting a cement?
ANS: Purpose, duration of the restoration, depth of the preparation
What are some possible causes for dry sockets?
ANS: The blood clot did not form, it was dislodged by too vigorous a rinsing or
100% VERIFIED ANSWERS | GRADED A+ |
GUARANTEED PASS!!
If a patient is recieving too much nitrous, what should you do?
ANS: Quickly reduce or completey turn off the nitrous oxide, while increasing the
oxygen
If a small child needs x-rays and cannot hold films, who should hold them?
ANS: The parent or child or someone who is not exposed to occupational radiation
If you are using a base, when should you place a varnish or sealer?
ANS: If what you are placing into the tooth is harmful to the tooth, place a varnish
or sealer first. If what youre placing into the tooth is not harmful, place a varnish or
sealer afterwards
If your patient stops breathing and has no pulse, what should you do?
ANS: Being CPR, call for assistance and continue CPR
In what direction is a ligature wire twisted?
ANS: Clockwise
In what three ways can arch wires be ligated into orthodontic brackets?
ANS: Wire ligatures and elastic ligatures. and self ligating brackets
Incisive papilla
ANS: the papilla located between the maxillary central incisors
Is it alright to touch the curing rod directly on a restoration while you are curing?
ANS: You should cure for at least 10seconds before you touch the end of the rod to
a restoration, otherwise the material will stick to the end of the rod
Is it necessary to use a matrix band on a class II temporary dressing?
ANS: Yes
,Leukoplakia
ANS: White patches usually found on the buccal surfaces mucosa which are
precancerous, but not cancer
List Angles's classification of maloocclusion.
ANS: Class I-Neutrocclusion, Class II-Distoocclusion, Class III-Mesiocclusion
List several ways personnel can become contaminated with mercury in the dental
office?
ANS: By handling amalgam during the removal of old restorations. the material
can enter through the nasal passages the eyes and the mouth. Improper mercury
and amalgam scrap storage can also increase vapor levels in the office
List the four basic food groups.
ANS: Meat and meat substitutes, milk and milk production, fruits and vegetables,
enriched whole grains
List the three most common types of fluoride?
ANS: Acidulated phosphate(APF), Sodim(NaF) and Stannous (Snf)
List those things which can be done to reduce the level of mercury in the office?
ANS: Wear a mask and safety glasses during the removal of old alloys, store scrap
amalgam in a tightly sealed jar, keep all materials on an edged tray, monitor staff
on an annual basis for mercury levels, dont handle amalgam directly.
Of the following, which is the least important factor when judging the quality of a
temporary filling; sealed margins, correct occlusion, contact points,correct
anatomy?
ANS: Correct Anatomy
On what area of the tooth should the band be placed?
ANS: Middle 1/3 of the tooth, although this may vary with bonded brackets
On what area of the tooth should you place the vitalometer when testing the tooth?
ANS: On the enamel, in the middle 1/3 of the tooth
Respectively, What are the colors of the oxygen and nitrous oxide tanks?
ANS: Green and Blue ( in that order)
, Should cold sterilizing solutions be used for all instruments?
ANS: No only heat sensitive instruments should be places in these solutions. BUT
really...this stuff is ineffective how is is usually used and dangerous to personnel
Tapping on a tooth with an instrument may help determine a certain sensitivity.
What is that sensitivity?
ANS: Percussion
The doctor is away, you are an RDA, a patient comes into office and says they
have lost their temporary filling. What should you do?
ANS: Refer to another dentist or make a new appointment if the patient is not in
pain
The most common site for oral cancer is?
ANS: Lateral borders of the tongue
The opening of the parotid salivary gland is found where?
ANS: Through the stensons duct.
Under what circumstances may an RDA remove Subgingival cement?
ANS: An RDA may remove cement from all tooth surfaces
Under what conditions may a Da assist in the administration of nitrous oxide?
ANS: If the dentist is in the operatory, giving direction
What agency has regulations to help protect workers from hazardous materials?
ANS: OSHA and Cal-DOSH
What are considered the two "energy nutrients"?
ANS: Carbohydrates and lipids (fats)
What are some functions of the mouth mirror?
ANS: Retraction of tissue, reflection of light and indirect vison
What are some important considerations when selecting a cement?
ANS: Purpose, duration of the restoration, depth of the preparation
What are some possible causes for dry sockets?
ANS: The blood clot did not form, it was dislodged by too vigorous a rinsing or
