SHS Ergonomics & Musculoskeletal Disorders

Question 1

What is ergonomics primarily concerned with?

Accepted Answer

Fitting the work environment to the worker to reduce injury risk

Answer

Maximizing worker productivity through speed

Answer

Establishing minimum wage standards for physical labor

Answer

Designing equipment for aesthetic appeal

Question 2

Which of the following is a primary risk factor for work-related musculoskeletal disorders (WMSDs)?

Accepted Answer

Repetitive motion performed over extended periods

Answer

Adequate lighting in the workplace

Answer

Regular scheduled breaks

Answer

Proper use of personal protective equipment

Question 3

According to the Revised NIOSH Lifting Equation, which variable is used to evaluate the horizontal distance of a load from the worker's body?

Accepted Answer

Horizontal distance from the load to the worker's body

Answer

Worker's height and weight

Answer

Time of day the lift is performed

Answer

Color coding of the load

Question 4

What term describes the joint position where the least stress is placed on tendons, muscles, and nerves?

Accepted Answer

Neutral posture

Answer

Extension point

Answer

Flexion angle

Answer

Deviation threshold

Question 5

Which of the following best describes 'contact stress' as an ergonomic risk factor?

Accepted Answer

Pressure on soft tissue from a hard or sharp surface edge

Answer

Mental pressure from supervisor demands

Answer

Electrical contact with workplace equipment

Answer

Chemical contact with skin irritants

Question 6

Tendinitis is best classified as which type of injury?

Accepted Answer

Cumulative trauma disorder

Answer

Acute traumatic injury

Answer

Chemical exposure injury

Answer

Thermal injury

Question 7

Which workstation modification would BEST reduce lower back strain for sedentary workers?

Accepted Answer

Using a chair with lumbar support adjusted to maintain the spine's natural curve

Answer

Raising the monitor above eye level

Answer

Placing the keyboard on a higher surface

Answer

Positioning the mouse further from the body