CIEE Ergonomic Intervention & Solutions 3

Question 1

A nurse experiences low back pain from patient transfers. Which intervention provides the greatest long-term risk reduction?

Accepted Answer

Mechanical patient lift devices

Answer

Mechanical lift devices eliminate manual patient handling forces, providing a sustained engineering control superior to training or administrative approaches.

Question 2

Which workstation adjustment most effectively reduces contact stress on the forearms for keyboard users?

Accepted Answer

Adding a padded forearm support edge to the desk

Answer

A rounded, padded desk edge reduces contact stress on the forearms when workers rest arms against sharp desk edges during typing.

Question 3

Job rotation as an ergonomic administrative control is most effective when:

Accepted Answer

Rotation is between tasks that use different muscle groups

Answer

Effective job rotation distributes workload across different muscle groups to allow recovery; rotating between identical risk tasks provides no benefit.

Question 4

A grocery cashier develops shoulder and neck fatigue from a high checkout conveyor belt. The priority intervention should be:

Accepted Answer

Lower the conveyor belt height to near elbow level

Answer

Lowering the conveyor to elbow height positions work within the neutral shoulder zone, directly removing the elevated-arm awkward posture.

Question 5

When redesigning a hand tool to reduce grip force requirements, which modification is most impactful?

Accepted Answer

Increasing handle diameter to optimal grip range (30–40 mm)

Answer

A handle diameter in the 30–40 mm range maximizes grip strength output at lower muscular effort, directly reducing required grip force.

(CIEE) Certified Industrial Ergonomic Evaluator Practice Test

(CIEE) Certified Industrial Ergonomic Evaluator Practice Test

CIEE Ergonomic Intervention & Solutions 3