California RDA Written Exam 2025/2026
Exam Questions and Detailed Answers |
Get it 100% Correct Answers
according to the CDC which infection control measure is considered the
most critical for reducing the transmission of microbes in the health care
setting? - 🧠 ANSWER ✔✔hand washing
in a dental setting the clinical supply refrigerator may be used for the
preservation of - 🧠 ANSWER ✔✔bonding materials
A used dental anesthetic needle is an example of - 🧠 ANSWER
✔✔regulated waste
Employees must receive training regarding hazardous chemicals at which
interval? - 🧠 ANSWER ✔✔upon hire and whenever a new hazard is
introduced
The OSHA Hazard Communication Standard is based on the premise that
an employee has the right to know about - 🧠 ANSWER ✔✔chemicals in the
office
1
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,Which set of precautions is intended to prevent exposure to all body fluids?
- 🧠 ANSWER ✔✔Standard
The majority of the spray produced by dental hand pieces consists of - 🧠
ANSWER ✔✔saliva
which of the following viral infections can be prevented through
immunization? - 🧠 ANSWER ✔✔Hepatitis B
According to the Occupational Safety and Health Administration (OSHAP),
a bloodborne pathogens training program should include a general
explanation of - 🧠 ANSWER ✔✔the modes of disease transmission
Routine hand washing removes - 🧠 ANSWER ✔✔most of the transient
microbes and some of the resident microbes
Which of the following greatly reduces or eliminates biofilm in the dental
unit water system? - 🧠 ANSWER ✔✔properly using chemical treatments
which of the following modes of disease transmission best describes a
human bite? - 🧠 ANSWER ✔✔parenteral
2
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,the primary reason a surgical face mask must be used during a dental
procedure is to - 🧠 ANSWER ✔✔protect the DHCP from exposure to
spatter
Instrument cassettes should be wrapped - 🧠 ANSWER ✔✔after cleaning
and before sterilization
Used radiograph fixer solution is usually considered - 🧠 ANSWER
✔✔hazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? - 🧠 ANSWER
✔✔Employer
Which of the following statements most accurately defines engineering
controls? - 🧠 ANSWER ✔✔Materials and devices that prevent employees
exposure to hazardous or infectious substances
When using the air water syringe during dental treatment which of the
following personal protective equipment are recommended by the CDC? - 🧠
ANSWER ✔✔gloves, mask, gown, and eye protection
3
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, According to the Center for Disease Control and Prevention, patient-care
items that penetrate soft tissue are categorized as - 🧠 ANSWER ✔✔critical
The purpose of a holding solution is to - 🧠 ANSWER ✔✔prevent hardening
of debris and body fluids on instruments
Which barrier should be removed before temporarily leaving a patient to
retrieve supplies? - 🧠 ANSWER ✔✔gloves
The majority of organisms that make up dental unit waterline biofilm
consists of - 🧠 ANSWER ✔✔water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S - 🧠 ANSWER
✔✔Hazardous Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent
found in hand hygiene products? - 🧠 ANSWER ✔✔Chlorohexidine
The accessibility of the exposure control plan for employees is the
responsibility of the - 🧠 ANSWER ✔✔employer
High- level disinfectants should be used - 🧠 ANSWER ✔✔according to the
manufacturer's directions
4
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Detailed Answers |
Get it 100% Correct Answers
according to the CDC which infection control measure is considered the
most critical for reducing the transmission of microbes in the health care
setting? - 🧠 ANSWER ✔✔hand washing
in a dental setting the clinical supply refrigerator may be used for the
preservation of - 🧠 ANSWER ✔✔bonding materials
A used dental anesthetic needle is an example of - 🧠 ANSWER
✔✔regulated waste
Employees must receive training regarding hazardous chemicals at which
interval? - 🧠 ANSWER ✔✔upon hire and whenever a new hazard is
introduced
The OSHA Hazard Communication Standard is based on the premise that
an employee has the right to know about - 🧠 ANSWER ✔✔chemicals in the
office
1
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,Which set of precautions is intended to prevent exposure to all body fluids?
- 🧠 ANSWER ✔✔Standard
The majority of the spray produced by dental hand pieces consists of - 🧠
ANSWER ✔✔saliva
which of the following viral infections can be prevented through
immunization? - 🧠 ANSWER ✔✔Hepatitis B
According to the Occupational Safety and Health Administration (OSHAP),
a bloodborne pathogens training program should include a general
explanation of - 🧠 ANSWER ✔✔the modes of disease transmission
Routine hand washing removes - 🧠 ANSWER ✔✔most of the transient
microbes and some of the resident microbes
Which of the following greatly reduces or eliminates biofilm in the dental
unit water system? - 🧠 ANSWER ✔✔properly using chemical treatments
which of the following modes of disease transmission best describes a
human bite? - 🧠 ANSWER ✔✔parenteral
2
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,the primary reason a surgical face mask must be used during a dental
procedure is to - 🧠 ANSWER ✔✔protect the DHCP from exposure to
spatter
Instrument cassettes should be wrapped - 🧠 ANSWER ✔✔after cleaning
and before sterilization
Used radiograph fixer solution is usually considered - 🧠 ANSWER
✔✔hazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? - 🧠 ANSWER
✔✔Employer
Which of the following statements most accurately defines engineering
controls? - 🧠 ANSWER ✔✔Materials and devices that prevent employees
exposure to hazardous or infectious substances
When using the air water syringe during dental treatment which of the
following personal protective equipment are recommended by the CDC? - 🧠
ANSWER ✔✔gloves, mask, gown, and eye protection
3
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, According to the Center for Disease Control and Prevention, patient-care
items that penetrate soft tissue are categorized as - 🧠 ANSWER ✔✔critical
The purpose of a holding solution is to - 🧠 ANSWER ✔✔prevent hardening
of debris and body fluids on instruments
Which barrier should be removed before temporarily leaving a patient to
retrieve supplies? - 🧠 ANSWER ✔✔gloves
The majority of organisms that make up dental unit waterline biofilm
consists of - 🧠 ANSWER ✔✔water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S - 🧠 ANSWER
✔✔Hazardous Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent
found in hand hygiene products? - 🧠 ANSWER ✔✔Chlorohexidine
The accessibility of the exposure control plan for employees is the
responsibility of the - 🧠 ANSWER ✔✔employer
High- level disinfectants should be used - 🧠 ANSWER ✔✔according to the
manufacturer's directions
4
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
