COHN COHN Environmental and Industrial Hygiene 3

Question 1

Biological monitoring in occupational health measures what?

Accepted Answer

The amount of a chemical or its metabolite in a worker's blood, urine, or breath

Answer

Air concentration of chemicals in the workplace

Answer

The number of bacteria present in the workplace environment

Answer

The radiation dose received by workers in nuclear facilities

Question 2

Which lung disease is caused by inhalation of crystalline silica dust in occupational settings?

Accepted Answer

Silicosis

Answer

Asbestosis

Answer

Byssinosis

Answer

Pneumoconiosis due to coal dust

Question 3

What is the primary purpose of a workplace walk-through survey in industrial hygiene?

Accepted Answer

To identify potential health hazards and understand work processes for further evaluation

Answer

To collect air samples for laboratory analysis

Answer

To enforce OSHA compliance and cite violations

Answer

To determine workers' compensation rates for the employer

Question 4

In the context of industrial hygiene, what does 'engineering controls' refer to?

Accepted Answer

Physical modifications to the work environment or equipment to reduce hazards

Answer

Training workers on safe chemical handling procedures

Answer

Rotating workers to limit individual exposure time

Answer

Requiring workers to wear respirators during chemical handling

Question 5

Which radiation type has the greatest penetrating power and requires the most shielding in occupational settings?

Accepted Answer

Gamma radiation

Answer

Alpha radiation

Answer

Beta radiation

Answer

Neutron radiation

Question 6

What does the term 'IDLH' stand for in occupational health and safety?

Accepted Answer

Immediately Dangerous to Life or Health

Answer

Industrial Dust Level Hazard

Answer

Inhalation Dose Limit for Health

Answer

Integrated Dust and Liquid Hazard