age 1 of 83
ASNT LEVEL III BASIC MATERIALS AND PROCESES
FINAL EXAM PREP 2025/2026 ACCURATE QUESTIONS
WITH CORRECT DETAILED ANSWERS || 100%
GUARANTEED PASS <LATEST VERSION>
What is the protocol for needle recapping and disposal?
.......Answer.........Needles shall be recapped only by using the
scoop technique or a protective device. Needles and other
sharps should be placed into sharps disposal containers as close
as possible to the point of use.
*needles should never be bent or broken for disposal.
Sterilization Protocols .......Answer.........Cleaning must precede
any disinfection or sterilization process.
,age 2 of 83
Critical and Semi-Critical instruments and items shall be
discarded or pre-cleaned, packaged or wrapped and sterilized
after each use. If item is heat sensitive, it shall, at minimum, be
processed with high-level disinfection and packaged or
wrapped upon completion of disinfection.
Package should be labeled with the date and specific sterilizer.
Non-critical surfaces and patient care items shall be cleaned
and disinfected with Cal/EPA low-level hospital disinfectant
labeled against HBV and HIV. If item is visibly contaminated
with blood or OPIM an intermediate-level disinfectant with
tuberculocidal claim shall be used.
All rotary hand pieces and components shall be packaged,
labeled and heat-sterilized same as a semi-critical item.
,age 3 of 83
How often should you test sterilization devices?
.......Answer.........at least once weekly with a biological indicator.
Results should be documented and maintained for 12 months.
How should you clean non-critical items in operatory?
.......Answer.........Items that are unable to be disinfected should
be protected with an impervious barrier that would be changed
after each patient and when visibly soiled.
All other surfaces should be disinfected with a hospital grade
low to intermediate germicide after each patient.
What should be done daily with water/air lines?
.......Answer.........They should be flushed for 2 minutes at
beginning of the day before attaching handpieces or other
devices. The lines and devices should be flushed between
patients for at least 20 seconds.
, age 4 of 83
What can an rdh do under general supervision .......Answer.........-
-- preventative and therapeutic interventions including : oral
prophylaxis, scaling and root planing
---application of topical, therapeutic and subgingival agents
used for the control of caries and periodontal disease.
---the taking of impressions for bleaching trays and activation of
non laser, light curing devices
---the taking of impressions for bleaching trays and placements
of in office tooth whitening devices
What can an rdh do without any supervision .......Answer.........-
Educational services
-Oral health training programs
-Oral health screenings
ASNT LEVEL III BASIC MATERIALS AND PROCESES
FINAL EXAM PREP 2025/2026 ACCURATE QUESTIONS
WITH CORRECT DETAILED ANSWERS || 100%
GUARANTEED PASS <LATEST VERSION>
What is the protocol for needle recapping and disposal?
.......Answer.........Needles shall be recapped only by using the
scoop technique or a protective device. Needles and other
sharps should be placed into sharps disposal containers as close
as possible to the point of use.
*needles should never be bent or broken for disposal.
Sterilization Protocols .......Answer.........Cleaning must precede
any disinfection or sterilization process.
,age 2 of 83
Critical and Semi-Critical instruments and items shall be
discarded or pre-cleaned, packaged or wrapped and sterilized
after each use. If item is heat sensitive, it shall, at minimum, be
processed with high-level disinfection and packaged or
wrapped upon completion of disinfection.
Package should be labeled with the date and specific sterilizer.
Non-critical surfaces and patient care items shall be cleaned
and disinfected with Cal/EPA low-level hospital disinfectant
labeled against HBV and HIV. If item is visibly contaminated
with blood or OPIM an intermediate-level disinfectant with
tuberculocidal claim shall be used.
All rotary hand pieces and components shall be packaged,
labeled and heat-sterilized same as a semi-critical item.
,age 3 of 83
How often should you test sterilization devices?
.......Answer.........at least once weekly with a biological indicator.
Results should be documented and maintained for 12 months.
How should you clean non-critical items in operatory?
.......Answer.........Items that are unable to be disinfected should
be protected with an impervious barrier that would be changed
after each patient and when visibly soiled.
All other surfaces should be disinfected with a hospital grade
low to intermediate germicide after each patient.
What should be done daily with water/air lines?
.......Answer.........They should be flushed for 2 minutes at
beginning of the day before attaching handpieces or other
devices. The lines and devices should be flushed between
patients for at least 20 seconds.
, age 4 of 83
What can an rdh do under general supervision .......Answer.........-
-- preventative and therapeutic interventions including : oral
prophylaxis, scaling and root planing
---application of topical, therapeutic and subgingival agents
used for the control of caries and periodontal disease.
---the taking of impressions for bleaching trays and activation of
non laser, light curing devices
---the taking of impressions for bleaching trays and placements
of in office tooth whitening devices
What can an rdh do without any supervision .......Answer.........-
Educational services
-Oral health training programs
-Oral health screenings
