CALIFORNIA RDA EXAMS 2026
STUDY GUIDE COMPREHENSIVE
QUESTIONS ANSWERS VERIFIED A+
◉ Which of the following duties is an RDA allowed to perform? A.
Diagnose Dental disease B. Place and remove rubber dams C. Perform
surgical extractions D. Prescribe medication.
Answer: B. Place and remove rubber dams
◉ A patient feels dizzy after sitting up quickly from the dental chair.
What is the first action? A. Give water B. Continue treatment C. Call
911 immediately D. Return the patient to a supine position.
Answer: D. Return the patient to a supine position
◉ Which material is most commonly used for temporary crowns? A.
Amalgam B. Composite resin C. Gold alloy D. Acrylic resin.
Answer: D. Acrylic resin
◉ What is the minimum safe distance an operator should stand away
from an X-ray machine? A. 6ft B. 10ft C. 8ft D. 4ft.
Answer: A. 6ft
◉ Which instrument is used to remove supragingival calculus? A.
Explorer B. Scaler C. Burnisher D. High speed hand piece.
Answer: B. Scaler
, ◉ What is the purpose of the autoclave? A. Remove debris B. Sterilize
instruments C. Clean instruments D. Dry instruments.
Answer: B. Sterilize instruments
◉ A patient is having difficulty breathing and wheezing. What condition
is most likely?A. Syncope
B. Asthma attack
C. Hypoglycemia
D. Stroke.
Answer: B. Asthma attack
◉ Which procedure may an RDA perform WITHOUT direct
supervision in California?
A. Place temporary restorations
B. Perform coronal polishing
C. Provide oral hygiene instructions
D. Take final impressions for crowns.
Answer: C. Provide oral hygiene instructions
◉ "Direct supervision" means the dentist must:
A. Be available by phone
B. Be physically present in the office and check the work
C. Be in the building but not necessarily examine the patient
D. Only review chart notes later.
STUDY GUIDE COMPREHENSIVE
QUESTIONS ANSWERS VERIFIED A+
◉ Which of the following duties is an RDA allowed to perform? A.
Diagnose Dental disease B. Place and remove rubber dams C. Perform
surgical extractions D. Prescribe medication.
Answer: B. Place and remove rubber dams
◉ A patient feels dizzy after sitting up quickly from the dental chair.
What is the first action? A. Give water B. Continue treatment C. Call
911 immediately D. Return the patient to a supine position.
Answer: D. Return the patient to a supine position
◉ Which material is most commonly used for temporary crowns? A.
Amalgam B. Composite resin C. Gold alloy D. Acrylic resin.
Answer: D. Acrylic resin
◉ What is the minimum safe distance an operator should stand away
from an X-ray machine? A. 6ft B. 10ft C. 8ft D. 4ft.
Answer: A. 6ft
◉ Which instrument is used to remove supragingival calculus? A.
Explorer B. Scaler C. Burnisher D. High speed hand piece.
Answer: B. Scaler
, ◉ What is the purpose of the autoclave? A. Remove debris B. Sterilize
instruments C. Clean instruments D. Dry instruments.
Answer: B. Sterilize instruments
◉ A patient is having difficulty breathing and wheezing. What condition
is most likely?A. Syncope
B. Asthma attack
C. Hypoglycemia
D. Stroke.
Answer: B. Asthma attack
◉ Which procedure may an RDA perform WITHOUT direct
supervision in California?
A. Place temporary restorations
B. Perform coronal polishing
C. Provide oral hygiene instructions
D. Take final impressions for crowns.
Answer: C. Provide oral hygiene instructions
◉ "Direct supervision" means the dentist must:
A. Be available by phone
B. Be physically present in the office and check the work
C. Be in the building but not necessarily examine the patient
D. Only review chart notes later.
