work/home modification and ergonomics

Question 1

Which of the following is recommended when lifting an object?

Accepted Answer

Bend knees and keep object close to hips

Answer

Lift the object while twisting

Answer

Bend knees and keep object away from hips

Answer

Quickly lift the object using a jerking motion

Question 2

During sitting which posture causes the lowest disc force?

Accepted Answer

Sitting straight

Answer

Leaning anteriorly

Answer

Leaning posteriorly

Answer

Sitting relaxed

Question 3

Which statement is true regarding increased backrest inclination?

Accepted Answer

Erector spinae muscles have decreased activity

Answer

Erector spinae muscles have increased activity

Answer

Muscle activity doesn’t change

Answer

Abdominals have increased activity

Question 4

What is the optimal work surface height while sitting?

Accepted Answer

3-4 cm above elbow level

Answer

elbow level

Answer

3-4 cm below elbow level

Answer

8-10 cm above elbow level

Question 5

Which is not an appropriate bathroom modification?

Accepted Answer

throw rug to prevent slipping

Answer

grab bars by toilet

Answer

nonskid floor to prevent slipping

Answer

night light

Question 6

Which of these is not a component of the Americans with Disabilities Act?

Accepted Answer

Employers must make all accommodations to assist an employee

Answer

Employers cannot discriminate based on disability

Answer

Employers must make reasonable accommodations to assist an employee

Answer

It must not cause undue hardship to the employer

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