EMPCO Occupational Health Services 2 — Questions and Answers
Question 1: Which federal agency sets permissible exposure limits (PELs) for hazardous substances in the workplace?
- NIOSH
- OSHA (Correct answer)
- EPA
- CDC
Correct answer: OSHA
OSHA establishes and enforces PELs to protect workers from health hazards associated with chemical exposures.
Question 2: A fitness-for-duty evaluation is BEST described as:
- A pre-employment drug screen
- An assessment of whether an employee can safely perform their job functions (Correct answer)
- An annual physical examination required by law
- A psychological evaluation for all workers
Correct answer: An assessment of whether an employee can safely perform their job functions
Fitness-for-duty evaluations determine whether an employee's physical or mental condition allows them to perform their job safely.
Question 3: What is the primary purpose of a Material Safety Data Sheet (MSDS) / Safety Data Sheet (SDS)?
- To document workplace injuries
- To provide chemical hazard and safe handling information (Correct answer)
- To record employee training hours
- To outline emergency evacuation routes
Correct answer: To provide chemical hazard and safe handling information
SDS documents communicate hazard information, composition, handling, and emergency measures for chemical substances.
Question 4: Noise-induced hearing loss in occupational settings is classified as:
- Acute injury
- Cumulative trauma disorder (Correct answer)
- Infectious disease
- Ergonomic injury
Correct answer: Cumulative trauma disorder
Noise-induced hearing loss develops gradually over time from repeated exposure to high sound levels, making it a cumulative trauma disorder.
Question 5: Under the Americans with Disabilities Act (ADA), an employer must provide reasonable accommodations unless:
- The employee has been with the company less than one year
- It would cause undue hardship to the employer (Correct answer)
- The disability was pre-existing before employment
- The job is considered safety-sensitive
Correct answer: It would cause undue hardship to the employer
The ADA requires reasonable accommodations for qualified individuals with disabilities unless doing so would impose undue hardship on the employer.
Question 6: Which type of ventilation is MOST appropriate for controlling airborne chemical hazards at the source?
- General dilution ventilation
- Local exhaust ventilation (Correct answer)
- Positive pressure ventilation
- Natural ventilation
Correct answer: Local exhaust ventilation
Local exhaust ventilation captures contaminants at or near the source before they can disperse into the work environment.
Question 7: An occupational health nurse performing a worksite walk-through should PRIMARILY focus on:
- Reviewing employee personnel files
- Identifying hazards and health risks in the work environment (Correct answer)
- Auditing payroll records for accuracy
- Evaluating supervisory management styles
Correct answer: Identifying hazards and health risks in the work environment
Worksite walk-throughs allow occupational health professionals to identify potential hazards and assess health risks in the work environment.
Which federal agency sets permissible exposure limits (PELs) for hazardous substances in the workplace?