CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
What charting symbol best indicates a tooth that is not visible
in the mouth?
a. Circle around the tooth
b. Outlined with diagonal lines
c. X through the tooth
d. Diagonal lines - Correct Answers ✅C.
A base is placed ________:
a. as a measure of protection for the pulp
b. when decay or damage is too close to the pulp
c. on the floor of the tooth preparation
d. A, B, and C are all correct - Correct Answers ✅D.
According to the Dental Board regulations, how long should
sterilization monitoring records be stored?
a. three years from the date the load was originally processed
b. one week after the load was originally processed
c. one year
d. one year after each sterilizer involved was first monitored -
Correct Answers ✅C.
Which one of the following is an example of an OSHA required
sharp with engineered injury protection?
,CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
a. A cardboard needle guard added to a dental anesthetic
needle
b. A butterfly needle used to administer IV sedation
c. A self-sheathing needle attached to a dental anesthetic
syringe
d. A needle cap holder built into an instrument cassette -
Correct Answers ✅C.
The air/water syringe is primarily used during the coronal
polishing procedure to _______:
a. irrigate the oral cavity
b. dry the tooth surfaces
c. encourage drying of the mucosa
d. remove the remaining paste - Correct Answers ✅D.
Which of the following should be preformed FIRST if an adult
patient does not has a pulse?
a. call for an emergency assistance
b. administer oxygen
c. call the patients medical doctor
d. administer CPR - Correct Answers ✅A.
Oral surgical procedures require the use of ____________:
,CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
a. chemical agents to disinfect the water and water lines
b. sterile irrigating solutions using a sterile delivery system
c. water that meets the Food and Drug Administration (FDA)
surface water standards
d. water that meets Environmental Protective Agency (EPA)
drinking water standards - Correct Answers ✅B.
When setting up an instrument tray or cassette, the
instruments should be set up _________:
a. from right to left
b. from left to right
c. from top to bottom
d. from bottom to top - Correct Answers ✅B.
Who legally owns a patient's dental radiographs?
a. the patient
b. the radiologist
c. the dentist
d. the physician - Correct Answers ✅C.
Calcium hydroxide is used in dentistry as a ___________.
a. base
b. liner
, CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
c. matrix
d. all of the above answers are correct - Correct Answers
✅B.
Prior to sterilization, loose contaminated instruments are
processed in an ultrasonic cleaner to ___________:
a. clean then disinfect
b. remove all microorganisms
c. remove debris and bioburden
d. disinfect then clean - Correct Answers ✅C.
A critical step for healthcare workers I preventing the spread
of disease is proper hygiene of one's ____________:
a. hair
b. eyes
c. face
d. hands - Correct Answers ✅D.
The purpose of dental sealants is __________________:
a. to prevent decay from spreading
b. to prevent decay in the pits and fissures of teeth.
c. to promote good oral health
Questions and Answers Guide (already
passed) Latest 2025
What charting symbol best indicates a tooth that is not visible
in the mouth?
a. Circle around the tooth
b. Outlined with diagonal lines
c. X through the tooth
d. Diagonal lines - Correct Answers ✅C.
A base is placed ________:
a. as a measure of protection for the pulp
b. when decay or damage is too close to the pulp
c. on the floor of the tooth preparation
d. A, B, and C are all correct - Correct Answers ✅D.
According to the Dental Board regulations, how long should
sterilization monitoring records be stored?
a. three years from the date the load was originally processed
b. one week after the load was originally processed
c. one year
d. one year after each sterilizer involved was first monitored -
Correct Answers ✅C.
Which one of the following is an example of an OSHA required
sharp with engineered injury protection?
,CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
a. A cardboard needle guard added to a dental anesthetic
needle
b. A butterfly needle used to administer IV sedation
c. A self-sheathing needle attached to a dental anesthetic
syringe
d. A needle cap holder built into an instrument cassette -
Correct Answers ✅C.
The air/water syringe is primarily used during the coronal
polishing procedure to _______:
a. irrigate the oral cavity
b. dry the tooth surfaces
c. encourage drying of the mucosa
d. remove the remaining paste - Correct Answers ✅D.
Which of the following should be preformed FIRST if an adult
patient does not has a pulse?
a. call for an emergency assistance
b. administer oxygen
c. call the patients medical doctor
d. administer CPR - Correct Answers ✅A.
Oral surgical procedures require the use of ____________:
,CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
a. chemical agents to disinfect the water and water lines
b. sterile irrigating solutions using a sterile delivery system
c. water that meets the Food and Drug Administration (FDA)
surface water standards
d. water that meets Environmental Protective Agency (EPA)
drinking water standards - Correct Answers ✅B.
When setting up an instrument tray or cassette, the
instruments should be set up _________:
a. from right to left
b. from left to right
c. from top to bottom
d. from bottom to top - Correct Answers ✅B.
Who legally owns a patient's dental radiographs?
a. the patient
b. the radiologist
c. the dentist
d. the physician - Correct Answers ✅C.
Calcium hydroxide is used in dentistry as a ___________.
a. base
b. liner
, CA RDA WRITTEN AND LAW EXAM PREP
Questions and Answers Guide (already
passed) Latest 2025
c. matrix
d. all of the above answers are correct - Correct Answers
✅B.
Prior to sterilization, loose contaminated instruments are
processed in an ultrasonic cleaner to ___________:
a. clean then disinfect
b. remove all microorganisms
c. remove debris and bioburden
d. disinfect then clean - Correct Answers ✅C.
A critical step for healthcare workers I preventing the spread
of disease is proper hygiene of one's ____________:
a. hair
b. eyes
c. face
d. hands - Correct Answers ✅D.
The purpose of dental sealants is __________________:
a. to prevent decay from spreading
b. to prevent decay in the pits and fissures of teeth.
c. to promote good oral health
