CIH CIH Ergonomics & Human Factors

Question 1

Which OSHA general industry standard directly addresses ergonomic hazards in the workplace?

Accepted Answer

OSHA's General Duty Clause (Section 5(a)(1))

Answer

29 CFR 1910.900

Answer

29 CFR 1910.1000

Answer

29 CFR 1910.119

Question 2

What is the most common category of work-related musculoskeletal disorder (WMSD) affecting upper extremities in the US?

Accepted Answer

Carpal tunnel syndrome

Answer

Herniated disc

Answer

Rotator cuff tear

Answer

Epicondylitis

Question 3

The NIOSH Revised Lifting Equation calculates a Recommended Weight Limit (RWL) based on how many task variables?

Accepted Answer

6

Answer

3

Answer

5

Answer

8

Question 4

Which ergonomic risk factor is characterized by sustained muscle contraction without movement, reducing blood flow to tissues?

Accepted Answer

Static loading (static posture)

Answer

Repetition

Answer

Contact stress

Answer

Vibration

Question 5

What does the Lifting Index (LI) value represent in the NIOSH Lifting Equation?

Accepted Answer

The ratio of actual load to the Recommended Weight Limit

Answer

The maximum safe lift weight in pounds

Answer

The frequency of lifts per hour

Answer

The vertical distance of lift travel

Question 6

Hand-arm vibration syndrome (HAVS) is most commonly associated with prolonged use of which type of equipment?

Accepted Answer

Pneumatic and electric power hand tools

Answer

Computer keyboards

Answer

Whole-body vibrating platforms

Answer

Overhead conveyors