DBT40013 Unit 3.5: Ergonomics

What is the main objective of ergonomics?

• Designing workstations

• Studying the human relation with equipment

• Optimizing human ability with the job done

• Fitting the worker to the job

Answer explanation

The main objective of ergonomics is to optimize human ability with the job done, ensuring efficiency and well-being in the workplace.

Which domain of ergonomics focuses on the human body's responses to physical and physiological work demands?

• Environmental ergonomics

• Organizational ergonomics

• Physical ergonomics

• Cognitive ergonomics

Answer explanation

Physical ergonomics focuses on the human body's responses to physical and physiological work demands, making it the correct choice in this context.

What is the leading cause of injuries related to ergonomics?

• Repetitive motion

• Static posture

• Overexertion

• Awkward posture

Answer explanation

The leading cause of injuries related to ergonomics is overexertion, which involves excessive physical effort that can lead to strains and injuries.

What are the symptoms of musculoskeletal disorders (MSDs)?

• Continuous pain lasting a few weeks

• Sudden pain in workers

• Numbness and tingling sensation

• Redness and swelling

Answer explanation

The symptoms of musculoskeletal disorders (MSDs) include numbness and tingling sensation, making this the correct choice.

Which factor is not identified as contributing to the risk of getting MSD among workers?

• Use of proper lifting techniques

• Worker's lifestyle

• Elderly workforce

• Continuous exposure to ergonomic risk factors

Answer explanation

The correct choice is the use of proper lifting techniques, as it is identified as contributing to reducing the risk of MSD among workers, not increasing it.

What are examples of engineering controls for ergonomics?

• Work station design

• Stretching exercises

• Proper lifting technique

• Team lifting heavy loads

Answer explanation

Work station design is an example of engineering controls for ergonomics, as it involves optimizing the layout and setup of work areas to reduce strain and improve comfort.

Which activity is considered a hazard in ergonomics?

• Reaching above the head for more than 2 hours per day

• Using ergonomic tools

• Taking sufficient rest breaks

• Using proper lifting techniques

Answer explanation

Reaching above the head for more than 2 hours per day is considered a hazard in ergonomics.

What is the solution for reducing awkward grips in ergonomics?

• Rotate tasks with co-workers

• Use non-pinch grip postures

• Use tools with longer handles

• Use tools with padded grips

Answer explanation

The solution for reducing awkward grips in ergonomics is to use tools with padded grips, as they provide better comfort and reduce strain on the hands.

Which body part is affected by De Quervain's disease?

• Back

• Fingers

• Shoulder

• Neck

Answer explanation

De Quervain's disease affects the fingers, causing pain and swelling in the wrist and thumb area.

What is the main symptom of Carpal Tunnel Syndrome?

• Back pain and numbness in the thighs

• Loss of sense of touch in the thumb

• Numbness and tingling sensation in the fingers

• Pain and discomfort in the shoulder

Answer explanation

The main symptom of Carpal Tunnel Syndrome is numbness and tingling sensation in the fingers.