RDA Work Environment and Conditions 3

Question 1

Under OSHA's Bloodborne Pathogens Standard, dental offices must offer the hepatitis B vaccine to employees:

Accepted Answer

At no cost to employees with occupational exposure

Answer

Only if requested by the employee after 90 days

Answer

After the employee has worked for 1 year

Answer

Only for employees who handle extracted teeth

Question 2

The recommended lighting level for a dental operatory during clinical procedures is approximately:

Accepted Answer

8,000–12,000 lux at the operative field via the dental light

Answer

200–500 lux for general overhead lighting

Answer

500–800 lux using standard fluorescent ceiling fixtures only

Answer

1,000–2,000 lux using a combination of natural and artificial light

Question 3

Which type of injury is MOST commonly reported among dental assistants due to repetitive hand and wrist movements?

Accepted Answer

Carpal tunnel syndrome

Answer

Trigger finger

Answer

Tennis elbow (lateral epicondylitis)

Answer

Dupuytren's contracture

Question 4

An exposure control plan in a dental office must be reviewed and updated:

Accepted Answer

At least annually and whenever tasks or procedures change

Answer

Every 5 years or when new procedures are added

Answer

Only when a needlestick injury occurs

Answer

Whenever a new employee is hired

Question 5

Which personal protective equipment (PPE) is specifically required when using chemical disinfectants to wipe down dental surfaces?

Accepted Answer

Utility gloves, mask, eye protection, and protective clothing

Answer

Surgical mask and safety goggles only

Answer

Nitrile examination gloves and a face shield only

Answer

Cotton gloves and a respirator

Question 6

A sharps container in a dental operatory should be replaced when it is:

Accepted Answer

Three-quarters full or at the fill line indicated on the container

Answer

Completely full to the top

Answer

Used for 30 days regardless of how full it is

Answer

Placed in the operatory for more than 1 week

Question 7

The Americans with Disabilities Act (ADA) requires dental offices to:

Accepted Answer

Provide reasonable accommodations for qualified employees with disabilities

Answer

Hire a set percentage of employees with disabilities

Answer

Install specific equipment for patients with mobility impairments in every operatory

Answer

Offer reduced fees to patients who are disabled