California RDA Exam Complete
Questions with Correct Answers
Updated 2025/2026 Already
Graded!!!100% Guaranteed Pass!!
1. Another term for a decayed tooth is - ANSWER ✓ cavity
2. The process of removing decay is known as - ANSWER ✓ cavity
preparation
3. A used dental anesthetic needle is an example of - ANSWER ✓ regulated
waste
4. Employees must receive training regarding hazardous chemicals at which
interval? - ANSWER ✓ upon hire and whenever a new hazard is introduced
5. Used radiograph fixer solution is usually considered - ANSWER ✓
hazardous waste
6. Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? - ANSWER ✓
Employer
7. What is the length of time that employers must maintain Hazard
Communication training records? - ANSWER ✓ Training records are not
required
8. Sharps containers in dental practice settings must be - ANSWER ✓ replaced
when items reach the marked fill-line on the container
9. A single-use items reduces the reduces the risk of disease transmission
because it is - ANSWER ✓ discarded and not reused
10.what type of cleaning machine is used to clean contaminated instruments
prior to sterilization? - ANSWER ✓ ultrasonic
,11.Which of the following devices have been associated with dental water line
biofilm? - ANSWER ✓ Ultrasonic scalers
12.What is the proper method for decontaminating impressions before sending
them to the laboratory? - ANSWER ✓ clean and disinfect
13.According to OSHA, if an exposure incident to potentially infectious
materials occurs, the employer is required to document all of the following
EXCEPT the - ANSWER ✓ medication given to the source patient
14.Which of the following vaccine- preventable diseases pose the greatest risk
of transmission in the dental office setting? - ANSWER ✓ influenza
15.What type of orthodontics is practiced when using a fixed or removable
appliance that is applied to a crossbite? - ANSWER ✓ interceptive
16.Which of the following should be done FIRST if an adult patient does not
have pulse? - ANSWER ✓ Call for emergency assistance
17.Elastomeric materials supplied as base and catalyst are - ANSWER ✓ self-
cured
18.When assisting a left-handed dentist, the assistant should hold the oral
evacuator tip with - ANSWER ✓ the left hand
19.Elevating the patient's feet above the head to increase blood flow to the brain
is the response to what medical condition? - ANSWER ✓ syncope
20.Which of the following modification/ additions may be included to avoid
seating a custom tray too deeply? - ANSWER ✓ stops
21.The use of dry angles during moisture control activities controls saliva flow
from - ANSWER ✓ stenson's duct
22.Prior to placing a dental dam on a patient, the provider should - ANSWER ✓
review the medical history.
, 23.Angle's classification is used to classify and describe - ANSWER ✓ occlusal
and malocclusion
24.spreaders and pluggers are used in the - ANSWER ✓ obturation of a root
canal
25.The air/water syringe is primarily used during the coronal polishing
procedure to - ANSWER ✓ remove the remaining paste
26.Clinical consideration for patients with bronchial asthma should include -
ANSWER ✓ shorter appointments to reduce stress
27.Dental office appointment schedules may include blocks of time set aside for
emergency patients. This time is called - ANSWER ✓ buffer time
28.A patient with which of the following medical conditions may benefit from
prophylactic sublingual nitroglyerin? - ANSWER ✓ Cardiovascular
disorders
29.A plastic matrix strip is used to adapt the shape of a tooth for a (an) -
ANSWER ✓ composite
30.The patient record is a permanent document of whom? - ANSWER ✓ the
patient
31.Where would a patient's registration form be found in the dental office? -
ANSWER ✓ In the front section of the patient's chart
32.The dental history section of a health history form provides the dental team
with information regarding - ANSWER ✓ previous dental care and
treatment
33.A correctly fitting impression tray has sufficient depth to leave a minimum
occlusal/incisal clearance of - ANSWER ✓ 2.0mm
34.Which of the following is an adverse effect of peroxide-based tooth
whitening procedures? - ANSWER ✓ tissue irritation
Questions with Correct Answers
Updated 2025/2026 Already
Graded!!!100% Guaranteed Pass!!
1. Another term for a decayed tooth is - ANSWER ✓ cavity
2. The process of removing decay is known as - ANSWER ✓ cavity
preparation
3. A used dental anesthetic needle is an example of - ANSWER ✓ regulated
waste
4. Employees must receive training regarding hazardous chemicals at which
interval? - ANSWER ✓ upon hire and whenever a new hazard is introduced
5. Used radiograph fixer solution is usually considered - ANSWER ✓
hazardous waste
6. Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? - ANSWER ✓
Employer
7. What is the length of time that employers must maintain Hazard
Communication training records? - ANSWER ✓ Training records are not
required
8. Sharps containers in dental practice settings must be - ANSWER ✓ replaced
when items reach the marked fill-line on the container
9. A single-use items reduces the reduces the risk of disease transmission
because it is - ANSWER ✓ discarded and not reused
10.what type of cleaning machine is used to clean contaminated instruments
prior to sterilization? - ANSWER ✓ ultrasonic
,11.Which of the following devices have been associated with dental water line
biofilm? - ANSWER ✓ Ultrasonic scalers
12.What is the proper method for decontaminating impressions before sending
them to the laboratory? - ANSWER ✓ clean and disinfect
13.According to OSHA, if an exposure incident to potentially infectious
materials occurs, the employer is required to document all of the following
EXCEPT the - ANSWER ✓ medication given to the source patient
14.Which of the following vaccine- preventable diseases pose the greatest risk
of transmission in the dental office setting? - ANSWER ✓ influenza
15.What type of orthodontics is practiced when using a fixed or removable
appliance that is applied to a crossbite? - ANSWER ✓ interceptive
16.Which of the following should be done FIRST if an adult patient does not
have pulse? - ANSWER ✓ Call for emergency assistance
17.Elastomeric materials supplied as base and catalyst are - ANSWER ✓ self-
cured
18.When assisting a left-handed dentist, the assistant should hold the oral
evacuator tip with - ANSWER ✓ the left hand
19.Elevating the patient's feet above the head to increase blood flow to the brain
is the response to what medical condition? - ANSWER ✓ syncope
20.Which of the following modification/ additions may be included to avoid
seating a custom tray too deeply? - ANSWER ✓ stops
21.The use of dry angles during moisture control activities controls saliva flow
from - ANSWER ✓ stenson's duct
22.Prior to placing a dental dam on a patient, the provider should - ANSWER ✓
review the medical history.
, 23.Angle's classification is used to classify and describe - ANSWER ✓ occlusal
and malocclusion
24.spreaders and pluggers are used in the - ANSWER ✓ obturation of a root
canal
25.The air/water syringe is primarily used during the coronal polishing
procedure to - ANSWER ✓ remove the remaining paste
26.Clinical consideration for patients with bronchial asthma should include -
ANSWER ✓ shorter appointments to reduce stress
27.Dental office appointment schedules may include blocks of time set aside for
emergency patients. This time is called - ANSWER ✓ buffer time
28.A patient with which of the following medical conditions may benefit from
prophylactic sublingual nitroglyerin? - ANSWER ✓ Cardiovascular
disorders
29.A plastic matrix strip is used to adapt the shape of a tooth for a (an) -
ANSWER ✓ composite
30.The patient record is a permanent document of whom? - ANSWER ✓ the
patient
31.Where would a patient's registration form be found in the dental office? -
ANSWER ✓ In the front section of the patient's chart
32.The dental history section of a health history form provides the dental team
with information regarding - ANSWER ✓ previous dental care and
treatment
33.A correctly fitting impression tray has sufficient depth to leave a minimum
occlusal/incisal clearance of - ANSWER ✓ 2.0mm
34.Which of the following is an adverse effect of peroxide-based tooth
whitening procedures? - ANSWER ✓ tissue irritation
