CIH General 4

Question 1

Which OSHA standard requires employers to implement a written Hazard Communication Program?

Accepted Answer

29 CFR 1910.1200

Answer

29 CFR 1910.1200, the Hazard Communication Standard (HazCom), requires written programs, SDSs, and container labeling.

Question 2

The term 'LD50' in toxicology refers to the dose that kills what percentage of a test population?

Accepted Answer

50%

Answer

LD50 is the lethal dose that kills 50% of the test population and is a standard measure of acute toxicity.

Question 3

What is the primary function of a cyclone in an air sampling train for particulate matter?

Accepted Answer

Separate respirable fraction from coarser particles

Answer

A cyclone uses centrifugal force to separate larger particles, allowing only the respirable fraction to reach the collection filter.

Question 4

Which ergonomic risk factor is associated with the highest risk of musculoskeletal disorders in warehouse workers?

Accepted Answer

Heavy forceful exertions combined with awkward postures

Answer

Combining high force requirements with awkward postures greatly multiplies musculoskeletal disorder risk compared to either factor alone.

Question 5

What does the Safety Data Sheet (SDS) Section 8 specifically address?

Accepted Answer

Exposure controls and personal protection

Answer

SDS Section 8, 'Exposure Controls/Personal Protection,' lists OELs, engineering controls, and recommended PPE.

CIH - Certified Industrial Hygienist Exam Practice Test