Health And Saftey At Work

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| By Jack2934

Jack2934

Community Contributor

Quizzes Created: 1 | Total Attempts: 390

Questions: 6 | Attempts: 390 | Updated: Mar 21, 2023

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Questions and Answers

1.

609.6
2.

what is the perfect angle for the back rest of your chair?
- A.
  
  180
- B.
  
  50
- C.
  
  135
- D.
  
  90
Correct Answer
D. 90

Explanation
A 90-degree angle is considered the perfect angle for the backrest of a chair because it provides optimal support and comfort for the person sitting. This angle helps maintain proper posture by keeping the spine aligned and reducing strain on the back muscles. It allows for a natural curve in the lower back, promoting good spinal alignment and reducing the risk of back pain or discomfort. Additionally, a 90-degree angle ensures that the weight is evenly distributed on the chair, preventing any unnecessary pressure points or discomfort.

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3.

To the closest decimal what is the optimal percentage of oxygen in the workspace atmosphere?
- A.
  
  45%
- B.
  
  10%
- C.
  
  19.75%
- D.
  
  20.95%
Correct Answer
D. 20.95%

Explanation
The optimal percentage of oxygen in the workspace atmosphere is 20.95%. This percentage is important as it ensures that there is enough oxygen for individuals to breathe and function properly. Oxygen is necessary for the body to carry out essential functions, and a lower percentage can lead to hypoxia, which can cause dizziness, confusion, and even loss of consciousness. Therefore, maintaining the optimal percentage of oxygen is crucial for the well-being and safety of individuals in the workspace.

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4.

Which of the following are risks in the workstation?
- A.
  
  Fellow employees
- B.
  
  Back strain
- C.
  
  Overheating
- D.
  
  RSI
- E.
  
  Alien invasion
- F.
  
  Natural disaster
- G.
  
  Eye strain
Correct Answer(s)
B. Back strain
D. RSI
G. Eye strain

Explanation
The risks in the workstation include back strain, repetitive strain injury (RSI), and eye strain. Back strain can occur due to poor posture or improper lifting techniques, leading to muscle pain and discomfort. RSI is a condition caused by repetitive movements, such as typing, which can result in pain and inflammation in the hands, wrists, and arms. Eye strain can occur from staring at a computer screen for long periods, leading to dryness, discomfort, and blurred vision. Fellow employees, overheating, alien invasion, and natural disasters are not typically considered risks in the workstation.

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5.

How can you prevent these risks?
- A.
  
  Ergonomic equipment
- B.
  
  Earthquake Warning Systems
- C.
  
  Adjustable display unit
- D.
  
  Training
- E.
  
  Jacob Driver
Correct Answer(s)
A. Ergonomic equipment
C. Adjustable display unit
D. Training
6.

What is the correct way to sit at a computer?
- A.
- B.
Correct Answer
A.

Explanation
The correct way to sit at a computer is to have your feet flat on the ground or on a footrest, your knees at a 90-degree angle, your back straight and supported by the chair, your elbows at a 90-degree angle, and your wrists and hands in line with your forearms. This posture helps to prevent strain on the neck, back, and wrists, and promotes good circulation and overall comfort while working at a computer.

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7.

Which of the following can be an ergonomic?
- A.
  
  Keyboards
- B.
  
  Chairs
- C.
  
  Mice
- D.
  
  All of the Above
Correct Answer
D. All of the Above

Explanation
All of the options listed - keyboards, chairs, and mice - can be considered ergonomic. Ergonomics refers to designing and arranging objects in a way that promotes efficiency, comfort, and safety in the working environment. Ergonomic keyboards are designed to reduce strain on the hands and wrists, ergonomic chairs are designed to provide proper support and posture, and ergonomic mice are designed to reduce strain on the hand and wrist as well. Therefore, all of these options can be considered ergonomic as they are designed to optimize user comfort and well-being.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 24, 2014

Quiz Created by
Jack2934

Health And Saftey At Work

609.6

what is the perfect angle for the back rest of your chair?

To the closest decimal what is the optimal percentage of oxygen in the workspace atmosphere?

Which of the following are risks in the workstation?

How can you prevent these risks?

What is the correct way to sit at a computer?

Which of the following can be an ergonomic?