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In which situation can wrong posture and visual strain occur together?

Answer and explanation

Correct answer: Screen is too low and letters are small

Direct answer: A, a screen that is too low with very small letters. A low screen can make the user bend the neck and head forward, creating poor posture and neck or shoulder strain. Small letters require extra focusing effort and may cause visual fatigue, especially during long use. Thus two risks occur together: musculoskeletal strain and eye strain. B, a clean floor, is a safety benefit but does not describe this combined screen-related problem. C, a nearby object, is not automatically harmful and does not specifically create visual strain. D, sufficient air, concerns ventilation and comfort, not the stated posture-plus-vision combination. A good setup places the screen suitably and uses readable text. Exam cue: low screen affects posture; tiny text affects eyes.

Related tags

Home-ScienceErgonomicsMultiple-Risk

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