#1
Which of the following is a key ergonomic principle to prevent musculoskeletal disorders?
Regular breaks and movement
ExplanationTaking regular breaks and moving around helps prevent strain on muscles and joints.
#2
In ergonomics, what does RSI stand for?
Repetitive Stress Injury
ExplanationRSI refers to injuries caused by repetitive movements, often associated with poor ergonomics.
#3
What is the purpose of using an anti-glare screen on a computer monitor?
To reduce eye strain and discomfort
ExplanationAn anti-glare screen minimizes glare and reflections, reducing eye strain and discomfort.
#4
What is the recommended height for a desk to promote ergonomic posture?
At elbow height
ExplanationSetting the desk height at elbow level helps maintain proper posture and reduces strain on the shoulders and arms.
#5
What is the recommended distance between the eyes and the computer screen to reduce eye strain?
12-18 inches
ExplanationPositioning the computer screen 12-18 inches away from the eyes reduces eye strain and fatigue.
#6
What is the optimal height for a computer monitor to reduce neck strain?
At eye level
ExplanationPositioning the computer monitor at eye level helps reduce strain on the neck.
#7
Which ergonomic device is designed to support the natural curve of the spine?
Kneeling chair
ExplanationA kneeling chair supports the natural curve of the spine, promoting good posture.
#8
What is the primary purpose of an ergonomic keyboard design?
To reduce the risk of musculoskeletal disorders
ExplanationErgonomic keyboard designs aim to minimize strain on the hands, wrists, and arms.
#9
Which body posture is recommended to reduce the risk of lower back pain while sitting?
Maintaining a neutral spine
ExplanationKeeping the spine in a neutral position while sitting helps distribute weight evenly and reduces strain on the lower back.
#10
Which body part is most commonly affected by musculoskeletal disorders in office workers?
Neck
ExplanationThe neck is frequently affected by musculoskeletal disorders due to poor posture and prolonged sitting.
#11
What is the recommended angle for the backrest of an ergonomic chair?
120 degrees
ExplanationA 120-degree backrest angle promotes a healthy sitting posture and reduces pressure on the spine.
#12
Which factor is NOT considered a risk factor for developing musculoskeletal disorders?
Regular exercise
ExplanationRegular exercise helps strengthen muscles and reduce the risk of musculoskeletal disorders.
#13
Which of the following is an example of a dynamic workstation element?
Adjustable standing desk
ExplanationAn adjustable standing desk allows users to alternate between sitting and standing, promoting movement and reducing sedentary behavior.
#14
Which of the following activities contributes to the prevention of musculoskeletal disorders?
Regular stretching exercises
ExplanationRegular stretching exercises help maintain flexibility and reduce the risk of muscle strain and injury.
#15
In ergonomics, what does the term 'Neutral Posture' refer to?
A comfortable body position
ExplanationNeutral posture refers to a relaxed and balanced body position that minimizes stress on muscles and joints.