COHN-S CORE EXAM 2026 TEST QUESTIONS AND
ANSWERS GRADED A+
✔✔NIOSH Stress Prevention - ✔✔Identify-Design-Implement-Evaluate
✔✔Factors Influencing Stress - ✔✔Personal, Situational/Interpersonal, Organizational,
Technological, Environmental, and Economic Factors
✔✔Grab Sampling - Passive Type - ✔✔Uses a container to collect the air of the sample
✔✔Integrated Sampling - Active Type - ✔✔Uses a filter to collect the air sample
✔✔American Conference of Governmental Industrial Hygiene
Permissible Exposure Limits - Threshold Limit Vales (TLV) - ✔✔(8hr/d) (40h/wk)
✔✔NIOSH Permissible Exposure Limits - Recommended Exposure Limits (REL) -
✔✔(10h/d) (40h/wk)
✔✔Threshold Limit Value Ceiling (TLV - C) - ✔✔Noticeable and measurable negative
effects are realized
✔✔Threshold Limit Value -Short Term Exposure (TLV-STEL) - ✔✔Concentration that
workers can be exposed to continuously over a short period of time without negative
effects.
✔✔(Threshold Limit Value)TLV X (Time Weighted Average)TWA - ✔✔Exposures
concentration that will yield no negative effects
✔✔Threshold Limit Values - ✔✔Dose response to a chemical and the amount of effect
that is realized. Goal is to have no exposure
✔✔Identifying Evidence - ✔✔S/S Exposure
Smoke, Dust, Broken Machinery, Slippery Floors
Health Surveys
Worker Health Complaints
✔✔Identifying Exposed Workers - ✔✔Goal is to eliminate or reduce the # of injuries and
illnesses due to exposures to environmental hazards, awareness of exposures, as well
as compliance with safety protocols @ the time of exposures.
✔✔Identifying Hazards - ✔✔All agents or factors
Potentials to cause illness or injury
Biological, Chemical, Environmental, Physical and psycho-social agent
Work process involved
, Area and department
Weather and Temperature
Time of Exposure
✔✔Hazard Evaluation done by and hazard anticipation includes: - ✔✔Industrial
hygienist recognition, evaluation, and control
✔✔Environmental Hazard - Abrasive Blasting - ✔✔Silica and Metal dust
✔✔Environmental Hazard - Cosmetology - ✔✔Chemical Exposures
✔✔Environmental Hazard - Farming - ✔✔Pesticide, Heat, Heavy-lifting
✔✔Environmental Hazard - Grinding - ✔✔Polishing and Buffing
✔✔Environmental Hazard - Painting - ✔✔Inhalation of Solvents
✔✔Environmental Hazard - Meat Wrapping - ✔✔Inhalation on lifting
✔✔Environmental Hazard - Welding - ✔✔Inhalation
✔✔Contaminated Breast Milk - Six Things - ✔✔Benzene
Cadmium
DDT
Duldrin
Lead
Mercury
✔✔Birth Defects - ✔✔Anti-neoplastic
Benzene
Lead
✔✔SponTaneous Abortion/Still.Birth - ✔✔Anesthetic Agents
Lead
Antineoplastics
Vinyl Chloride
Arsenic
Carbon Disulfide
Chloroprene
Ethylene Oxide
✔✔Pre-maturity Low Birth Weight - ✔✔Cadmium
CO
Formaldehyde
Mercury
ANSWERS GRADED A+
✔✔NIOSH Stress Prevention - ✔✔Identify-Design-Implement-Evaluate
✔✔Factors Influencing Stress - ✔✔Personal, Situational/Interpersonal, Organizational,
Technological, Environmental, and Economic Factors
✔✔Grab Sampling - Passive Type - ✔✔Uses a container to collect the air of the sample
✔✔Integrated Sampling - Active Type - ✔✔Uses a filter to collect the air sample
✔✔American Conference of Governmental Industrial Hygiene
Permissible Exposure Limits - Threshold Limit Vales (TLV) - ✔✔(8hr/d) (40h/wk)
✔✔NIOSH Permissible Exposure Limits - Recommended Exposure Limits (REL) -
✔✔(10h/d) (40h/wk)
✔✔Threshold Limit Value Ceiling (TLV - C) - ✔✔Noticeable and measurable negative
effects are realized
✔✔Threshold Limit Value -Short Term Exposure (TLV-STEL) - ✔✔Concentration that
workers can be exposed to continuously over a short period of time without negative
effects.
✔✔(Threshold Limit Value)TLV X (Time Weighted Average)TWA - ✔✔Exposures
concentration that will yield no negative effects
✔✔Threshold Limit Values - ✔✔Dose response to a chemical and the amount of effect
that is realized. Goal is to have no exposure
✔✔Identifying Evidence - ✔✔S/S Exposure
Smoke, Dust, Broken Machinery, Slippery Floors
Health Surveys
Worker Health Complaints
✔✔Identifying Exposed Workers - ✔✔Goal is to eliminate or reduce the # of injuries and
illnesses due to exposures to environmental hazards, awareness of exposures, as well
as compliance with safety protocols @ the time of exposures.
✔✔Identifying Hazards - ✔✔All agents or factors
Potentials to cause illness or injury
Biological, Chemical, Environmental, Physical and psycho-social agent
Work process involved
, Area and department
Weather and Temperature
Time of Exposure
✔✔Hazard Evaluation done by and hazard anticipation includes: - ✔✔Industrial
hygienist recognition, evaluation, and control
✔✔Environmental Hazard - Abrasive Blasting - ✔✔Silica and Metal dust
✔✔Environmental Hazard - Cosmetology - ✔✔Chemical Exposures
✔✔Environmental Hazard - Farming - ✔✔Pesticide, Heat, Heavy-lifting
✔✔Environmental Hazard - Grinding - ✔✔Polishing and Buffing
✔✔Environmental Hazard - Painting - ✔✔Inhalation of Solvents
✔✔Environmental Hazard - Meat Wrapping - ✔✔Inhalation on lifting
✔✔Environmental Hazard - Welding - ✔✔Inhalation
✔✔Contaminated Breast Milk - Six Things - ✔✔Benzene
Cadmium
DDT
Duldrin
Lead
Mercury
✔✔Birth Defects - ✔✔Anti-neoplastic
Benzene
Lead
✔✔SponTaneous Abortion/Still.Birth - ✔✔Anesthetic Agents
Lead
Antineoplastics
Vinyl Chloride
Arsenic
Carbon Disulfide
Chloroprene
Ethylene Oxide
✔✔Pre-maturity Low Birth Weight - ✔✔Cadmium
CO
Formaldehyde
Mercury
