RDA Work Environment and Conditions 5

Question 1

The EPA's 2017 Dental Effluent Guidelines require most dental offices to:

Accepted Answer

Use amalgam separators and follow best management practices for amalgam waste

Answer

Stop using amalgam restorations entirely by 2020

Answer

Test their wastewater monthly for mercury content

Answer

Obtain a special wastewater discharge permit from the EPA

Question 2

When an employee experiences a needlestick injury in a dental office, the FIRST step after removing gloves is to:

Accepted Answer

Wash the wound thoroughly with soap and water

Answer

Report the exposure to the dentist immediately

Answer

Apply an antiseptic dressing and continue working

Answer

Complete the OSHA 300 log before seeking medical care

Question 3

Which chemical is most commonly associated with latex sensitization reactions in dental office workers?

Accepted Answer

Natural rubber latex proteins in examination gloves

Answer

Glutaraldehyde in disinfectants

Answer

Methyl methacrylate in acrylic materials

Answer

Eugenol in zinc oxide paste

Question 4

Under OSHA regulations, an employer is required to provide PPE to employees:

Accepted Answer

At no cost to the employee

Answer

At a subsidized cost split between employer and employee

Answer

Only for full-time employees working more than 30 hours per week

Answer

After the probationary employment period is completed

Question 5

An RDA is updating the office's written Exposure Control Plan. Which element is REQUIRED to be included?

Accepted Answer

An exposure determination identifying job classifications and tasks involving occupational exposure

Answer

A list of all patients treated in the past year

Answer

The personal health histories of all employees

Answer

A schedule of monthly safety inspections

Question 6

Which statement about dental office air quality is accurate during aerosol-generating procedures?

Accepted Answer

High-volume evacuation significantly reduces airborne aerosol contamination

Answer

A standard surgical mask provides complete protection against aerosols

Answer

Room air becomes safe within 5 minutes after a procedure ends

Answer

HEPA filtration is required by OSHA for all dental operatories

Question 7

The term 'engineering controls' in a dental office setting refers to:

Accepted Answer

Physical or mechanical devices that isolate or remove hazards from the workplace

Answer

Administrative policies that schedule high-risk procedures at set times

Answer

Training programs that teach safe work practices to staff

Answer

Personal protective equipment worn by dental personnel