Final Exam -RDA Practice Questions
#1 With Solved Solutions 2025-2026
Updated.
Direct Supervision refers to? - Answer Dentist on premises & examines the treatment
performed by DA or RDA before releasing patient
General Supervision - Answer Doctor/Dentist - is out of office, but has scheduled auxiliary to
be at work
Nitrous Oxide administration - Answer Dentist - must remain in the operator & Assistant may
adjust controls as directed by the dentist
A parent brings in child to office on the dentist's day off, the child has a large cavity. The dentist
is unreachable by telephone. The "RDA" should do or advise what? - Answer Refer to
another dentist
Under General Supervision the RDA may perform? - Answer 1. Mouth Mirror
2. Place and remove sedative dressings
3. Expose radiographs
An impression for a "Hawley Retainer" may legally be taken by who? - Answer Dentist only
Under Direct supervision the "RDA" may perform? - Answer 1. Pulp Vitality test
2. Cementation of temporaries
3. Size Stainless steel bands, crowns, and orthodontic bands.
Under Direct Supervision the dental assistant may perform what? - Answer 1. Place topical
anesthetic
2. Monitor Vital signs
3. Place rubber dam
RDA CEU licensure renewal requirements - Answer 1. Twenty-five units of continuing
, The RDA license is renewed when? - Answer 1. The RDA's birthday
2. Odd or even year of birth
How many continuing education units may be earned in Category 1 and Category II? - Answer
At least half must be Category II
The maximum number of continuing education units which may be earned in "one day" are
how many? - Answer 8 units
To qualify to the the RDA examination, one must meet any of the following criteria - Answer
1. Graduate dental assisting program - accredited by the California Board of Dental Examiners
2. Eighteen months - full-time work experience in a dental office
Dental Assistant may perform what? - Answer Place and remove rubber dams
When a patient is injured by an auxiliary who is liable? - Answer 1. Dentist
2. Employee
The purpose of the "Matrix Band" is to create what? - Answer Replace a missing wall
The narrowest part of the tooth is the? - Answer Cervical third
When the "Matrix Band" is placed on a posterior tooth, the smallest circumference of the band
is directed towards the? - Answer Gingival part of the tooth
In addition to wedges, the "Matrix Band" may be secured with? - Answer Low fusing
compound
Wedges - are most commonly composed of? - Answer 1. Wood
2. Plastic
Matrices "matrix band" are composed of? - Answer 1. Stainless steel
#1 With Solved Solutions 2025-2026
Updated.
Direct Supervision refers to? - Answer Dentist on premises & examines the treatment
performed by DA or RDA before releasing patient
General Supervision - Answer Doctor/Dentist - is out of office, but has scheduled auxiliary to
be at work
Nitrous Oxide administration - Answer Dentist - must remain in the operator & Assistant may
adjust controls as directed by the dentist
A parent brings in child to office on the dentist's day off, the child has a large cavity. The dentist
is unreachable by telephone. The "RDA" should do or advise what? - Answer Refer to
another dentist
Under General Supervision the RDA may perform? - Answer 1. Mouth Mirror
2. Place and remove sedative dressings
3. Expose radiographs
An impression for a "Hawley Retainer" may legally be taken by who? - Answer Dentist only
Under Direct supervision the "RDA" may perform? - Answer 1. Pulp Vitality test
2. Cementation of temporaries
3. Size Stainless steel bands, crowns, and orthodontic bands.
Under Direct Supervision the dental assistant may perform what? - Answer 1. Place topical
anesthetic
2. Monitor Vital signs
3. Place rubber dam
RDA CEU licensure renewal requirements - Answer 1. Twenty-five units of continuing
, The RDA license is renewed when? - Answer 1. The RDA's birthday
2. Odd or even year of birth
How many continuing education units may be earned in Category 1 and Category II? - Answer
At least half must be Category II
The maximum number of continuing education units which may be earned in "one day" are
how many? - Answer 8 units
To qualify to the the RDA examination, one must meet any of the following criteria - Answer
1. Graduate dental assisting program - accredited by the California Board of Dental Examiners
2. Eighteen months - full-time work experience in a dental office
Dental Assistant may perform what? - Answer Place and remove rubber dams
When a patient is injured by an auxiliary who is liable? - Answer 1. Dentist
2. Employee
The purpose of the "Matrix Band" is to create what? - Answer Replace a missing wall
The narrowest part of the tooth is the? - Answer Cervical third
When the "Matrix Band" is placed on a posterior tooth, the smallest circumference of the band
is directed towards the? - Answer Gingival part of the tooth
In addition to wedges, the "Matrix Band" may be secured with? - Answer Low fusing
compound
Wedges - are most commonly composed of? - Answer 1. Wood
2. Plastic
Matrices "matrix band" are composed of? - Answer 1. Stainless steel
