CIRS CIRS Ergonomics & Work Conditioning 2

Question 1

What is the primary purpose of a job site analysis performed by a CIRS professional?

Accepted Answer

To systematically identify the physical demands, hazards, and environmental conditions of a specific job

Answer

A job site analysis evaluates the physical, environmental, and cognitive demands of a specific job to enable accurate matching of worker capabilities with job requirements for safe return to work.

Question 2

Which anthropometric principle is most critical when designing ergonomic workstations for diverse workforces?

Accepted Answer

Adjustability to accommodate the range from the 5th to 95th percentile of worker body dimensions

Answer

Ergonomic workstations must be adjustable to accommodate the 5th through 95th percentile of worker body dimensions, since designing only for the 'average' worker fails most of the workforce.

Question 3

Cumulative trauma disorders (CTDs) in industrial workers are primarily caused by:

Accepted Answer

Repeated microtraumas from sustained or repetitive workplace activities that exceed the body's recovery capacity

Answer

CTDs develop from accumulated microtraumas over time when repetitive or sustained activities produce tissue damage faster than the body can repair it, leading to progressive injury.

Question 4

What does 'neutral posture' mean in the context of ergonomic workstation design?

Accepted Answer

Body alignment that minimizes musculoskeletal stress by keeping joints near their mid-range of motion

Answer

Neutral posture refers to natural alignment of body segments that minimizes strain on muscles, tendons, and joints by maintaining them near their biomechanically efficient mid-range positions.

Question 5

In a work hardening program, simulated work activities should most importantly:

Accepted Answer

Closely replicate the actual physical demands of the target job to ensure functional readiness

Answer

Effective work hardening uses work simulation tasks that closely match actual job demands so that the skills and tolerances developed transfer directly to real-world work performance.

CIRS - Certified Industrial Rehabilitation Specialist Practice Test

CIRS - Certified Industrial Rehabilitation Specialist Practice Test

CIRS CIRS Ergonomics & Work Conditioning 2