1 | Page
RDHAP LAW AND ETHICS EXAM 2025
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
"Dental hygiene board" means - correct answer- The Dental
Hygiene Board of California.
"Dental board" means - correct answer- The Dental Board of
California.
"Direct supervision" means - correct answer- The supervision of
dental procedures based on instructions given by a licensed
dentist who is required to be physically present in the treatment
facility during the performance of those procedures.
"General supervision" means - correct answer- The supervision
of dental procedures based on instructions given by a licensed
dentist who is not required to be physically present in the
treatment facility during the performance of those procedures.
"Oral prophylaxis" means - correct answer- Preventive and
therapeutic dental procedures that include bacterial
debridements with complete removal, supra and subgingivally,
,2 | Page
of calculus, soft deposits, plaque, and stains, and the
smoothing of tooth surfaces. The objective of this treatment is
to create an environment in which the patient can maintain
healthy hard and soft tissues.
The following functions may be performed by a registered
dental hygienist, in addition to those authorized pursuant to
Sections 1908 to 1914, inclusive: - correct answer- (a) All
functions that may be performed by a registered dental
assistant.
(b) All persons holding a license as a registered dental
hygienist, registered dental hygienist in alternative practice, or
registered dental hygienist in extended functions as of
December 31, 2005, are authorized to perform the duties of a
registered dental assistant specified in this chapter. All persons
issued a license as a registered dental hygienist, registered
dental hygienist in alternative practice, or registered dental
hygienist in extended functions on or after January 1, 2006,
shall qualify for and receive a registered dental assistant
license prior to performance of the duties of a registered dental
assistant specified in this chapter.
(a) The practice of dental hygiene includes: - correct answer- -
Dental hygiene assessment and development
- Planning, and implementation of a dental hygiene care plan.
- It also includes oral health education, counseling, and health
screenings.
,3 | Page
The practice of dental hygiene does not include any of the
following procedures: - correct answer- (1) Diagnosis and
comprehensive treatment planning.
(2) Placing, condensing, carving, or removal of permanent
restorations.
(3) Surgery or cutting on hard and soft tissue including, but not
limited to, the removal of teeth and the cutting and suturing of
soft tissue.
(4) Prescribing medication.
(5) Administering local or general anesthesia or oral or
parenteral conscious sedation, except for the administration of
nitrous oxide and oxygen, whether administered alone or in
combination with each other, or local anesthesia pursuant to
Section 1909.
A registered dental hygienist is authorized to perform the
following procedures under direct supervision of a licensed
dentist, after submitting to the dental hygiene board evidence of
satisfactory completion of a course of instruction, approved by
the dental hygiene board, in the procedures: - correct answer-
(a) Soft-tissue curettage.
, 4 | Page
(b) Administration of local anesthesia.
(c) Administration of nitrous oxide and oxygen, whether
administered alone or in combination with each other.
A registered dental hygienist is authorized to perform the
following procedures under general supervision: - correct
answer- (a) Preventive and therapeutic interventions, including
oral prophylaxis, scaling, and root planing.
(b) Application of topical, therapeutic, and subgingival agents
used for the control of caries and periodontal disease.
(c) The taking of impressions for bleaching trays and
application and activation of agents with nonlaser, light-curing
devices.
(d) The taking of impressions for bleaching trays and
placements of in-office, tooth-whitening devices.
(a) A registered dental hygienist may provide, without
supervision: - correct answer- Educational services, oral health
training programs, and oral health screenings.
RDHAP LAW AND ETHICS EXAM 2025
UPDATED ACTUAL EXAM WITH CORRECT
SOLUTIONS.
"Dental hygiene board" means - correct answer- The Dental
Hygiene Board of California.
"Dental board" means - correct answer- The Dental Board of
California.
"Direct supervision" means - correct answer- The supervision of
dental procedures based on instructions given by a licensed
dentist who is required to be physically present in the treatment
facility during the performance of those procedures.
"General supervision" means - correct answer- The supervision
of dental procedures based on instructions given by a licensed
dentist who is not required to be physically present in the
treatment facility during the performance of those procedures.
"Oral prophylaxis" means - correct answer- Preventive and
therapeutic dental procedures that include bacterial
debridements with complete removal, supra and subgingivally,
,2 | Page
of calculus, soft deposits, plaque, and stains, and the
smoothing of tooth surfaces. The objective of this treatment is
to create an environment in which the patient can maintain
healthy hard and soft tissues.
The following functions may be performed by a registered
dental hygienist, in addition to those authorized pursuant to
Sections 1908 to 1914, inclusive: - correct answer- (a) All
functions that may be performed by a registered dental
assistant.
(b) All persons holding a license as a registered dental
hygienist, registered dental hygienist in alternative practice, or
registered dental hygienist in extended functions as of
December 31, 2005, are authorized to perform the duties of a
registered dental assistant specified in this chapter. All persons
issued a license as a registered dental hygienist, registered
dental hygienist in alternative practice, or registered dental
hygienist in extended functions on or after January 1, 2006,
shall qualify for and receive a registered dental assistant
license prior to performance of the duties of a registered dental
assistant specified in this chapter.
(a) The practice of dental hygiene includes: - correct answer- -
Dental hygiene assessment and development
- Planning, and implementation of a dental hygiene care plan.
- It also includes oral health education, counseling, and health
screenings.
,3 | Page
The practice of dental hygiene does not include any of the
following procedures: - correct answer- (1) Diagnosis and
comprehensive treatment planning.
(2) Placing, condensing, carving, or removal of permanent
restorations.
(3) Surgery or cutting on hard and soft tissue including, but not
limited to, the removal of teeth and the cutting and suturing of
soft tissue.
(4) Prescribing medication.
(5) Administering local or general anesthesia or oral or
parenteral conscious sedation, except for the administration of
nitrous oxide and oxygen, whether administered alone or in
combination with each other, or local anesthesia pursuant to
Section 1909.
A registered dental hygienist is authorized to perform the
following procedures under direct supervision of a licensed
dentist, after submitting to the dental hygiene board evidence of
satisfactory completion of a course of instruction, approved by
the dental hygiene board, in the procedures: - correct answer-
(a) Soft-tissue curettage.
, 4 | Page
(b) Administration of local anesthesia.
(c) Administration of nitrous oxide and oxygen, whether
administered alone or in combination with each other.
A registered dental hygienist is authorized to perform the
following procedures under general supervision: - correct
answer- (a) Preventive and therapeutic interventions, including
oral prophylaxis, scaling, and root planing.
(b) Application of topical, therapeutic, and subgingival agents
used for the control of caries and periodontal disease.
(c) The taking of impressions for bleaching trays and
application and activation of agents with nonlaser, light-curing
devices.
(d) The taking of impressions for bleaching trays and
placements of in-office, tooth-whitening devices.
(a) A registered dental hygienist may provide, without
supervision: - correct answer- Educational services, oral health
training programs, and oral health screenings.
