CPE CPE Organizational Ergonomics & Work Systems Questions and Answers 2

Question 1

Job rotation as an ergonomic administrative control is intended to achieve what primary benefit?

Accepted Answer

Reduce individual exposure duration to specific ergonomic risk factors by distributing tasks

Answer

Job rotation distributes ergonomic exposures across workers or across time, reducing any individual's cumulative exposure to a specific stressor such as repetitive motion.

Question 2

Which theory describes how job characteristics such as skill variety, task identity, and autonomy influence worker motivation and well-being?

Accepted Answer

Hackman and Oldham's Job Characteristics Model

Answer

Hackman and Oldham's Job Characteristics Model proposes that five core job dimensions (skill variety, task identity, task significance, autonomy, feedback) create psychological states that drive motivation and satisfaction.

Question 3

Karasek's job strain model predicts the highest risk of work-related stress when jobs have:

Accepted Answer

High psychological demands and low decision latitude (control)

Answer

Karasek's demand-control model identifies 'high strain' jobs — those with high demands and low worker control — as most associated with cardiovascular disease and psychological stress.

Question 4

Total Worker Health (TWH) is a NIOSH framework that integrates occupational safety with:

Accepted Answer

Worker well-being including lifestyle health promotion activities

Answer

NIOSH's TWH initiative integrates traditional occupational safety and health protections with programs that promote overall worker well-being including physical, mental, and social health.

Question 5

Ergonomics cost-benefit analysis should account for which of the following indirect costs?

Accepted Answer

Lost productivity, overtime, retraining, administrative costs, and quality degradation

Answer

A comprehensive ergonomics ROI analysis must include all indirect costs that are often 4–10x larger than direct medical costs, such as lost productivity and replacement training.

(CPE) Certified Professional Ergonomist Practice Test

(CPE) Certified Professional Ergonomist Practice Test

CPE CPE Organizational Ergonomics & Work Systems Questions and Answers 2