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Which example can increase mental fatigue due to poor ergonomics?

Answer and explanation

Correct answer: Continuous noise clutter and unclear signs

Ergonomics means arranging the workplace, tools, tasks, and surroundings so that people can work safely, comfortably, and efficiently. Poor conditions can force the mind to deal with constant distractions and extra effort. Continuous noise, clutter, and unclear signs make it harder to focus, find things, understand directions, and avoid mistakes. This continuing mental effort can increase mental fatigue.

Option A is correct because all three conditions create unnecessary attention demands. Clear labels and a quiet setting usually support concentration; proper lighting and comfortable posture reduce strain; and clear paths with suitable tools improve safe work. These alternatives describe supportive ergonomics, whereas option A describes an environment likely to overload attention.

Related tags

Mental FatigueNoiseClutter

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