Certified Safety Professional Exam Ergonomics and Human Factors 2

Question 1

Which ergonomic assessment tool is designed specifically for upper-limb posture analysis and scores body segments on a scale of 1–7?

Accepted Answer

RULA (Rapid Upper Limb Assessment)

Answer

RULA evaluates upper extremity postures including upper arm, lower arm, wrist, neck, trunk, and legs, generating an action score to guide intervention urgency.

Question 2

What is the purpose of a job rotation program in ergonomics?

Accepted Answer

To reduce cumulative exposure to a single ergonomic risk factor by alternating tasks

Answer

Job rotation reduces cumulative musculoskeletal loading on specific body parts by rotating workers through tasks that use different muscle groups.

Question 3

In human factors engineering, what is a 'forcing function'?

Accepted Answer

A physical or design constraint that prevents incorrect actions

Answer

A forcing function is an intentional design feature that physically prevents incorrect actions, such as a car that won't start without the seatbelt buckled.

Question 4

What is the primary cause of carpal tunnel syndrome (CTS) in occupational settings?

Accepted Answer

Compression of the median nerve due to repetitive wrist flexion/extension and force

Answer

CTS results from compression of the median nerve in the carpal tunnel, commonly caused by repetitive wrist movements, awkward postures, and forceful gripping.

Question 5

Which standard provides OSHA's general guidelines for ergonomics programs, though it was withdrawn in 2001?

Accepted Answer

OSHA Ergonomics Program Standard (2000)

Answer

OSHA's Ergonomics Program Standard was published in 2000 and provided comprehensive ergonomics program requirements, but Congress voted to withdraw it in March 2001.

Certified Safety Professional Exam Practice Test

Certified Safety Professional Exam Practice Test

Certified Safety Professional Exam Ergonomics and Human Factors 2