COHN-S FINAL EXAM 2026 ACTUAL QUESTIONS AND
ANSWERS GRADED A+
✔✔The analysis technique where individuals are interviewed about accidents, near
misses, and hazardous conditions is known as which of the following? - ✔✔Critical
incident technique
✔✔Potentiation - ✔✔A substance which does not have a toxic effect upon a system or
organ, but when in combination with another chemical, makes the chemical much more
toxic.
✔✔Methylene chloride is a mild toxic and his primary metabolite is? - ✔✔Carbon
monoxide
✔✔A person can lose his or her heat acclimatization in as little as? - ✔✔3 days
✔✔Performance standard - ✔✔A performance standard sets the objective to be obtain
but leaves the compliance details up to the company or organization.
✔✔Noise dosimeters under OSHA's Hearing Conservation Standard accumulate noise
exposure beginning at? - ✔✔80dB
✔✔Chemicals with a "C" notation with their TLVs: - ✔✔Have ceiling TLV limits assigned
to them
✔✔Viton - ✔✔The type of glove material that offers protection against chlorinated
solvents
✔✔Quantitative fit testing - ✔✔Quantitative fit testing checks for leakage that results in
the employee smelling or sensing the presence of the fit test material.
✔✔Employees assigned to the hazardous waste site must receive a minimum
of__________ Hours of offsite training prior to assignment. - ✔✔40 hours
✔✔The amount of a chemical that kills 50% of the organisms exposed to it in the air is
the: - ✔✔LC50
✔✔The nature, degree and extent of undesirable effects of a substance is known as? -
✔✔Toxicity
✔✔The most powerful epidemiological study design is: - ✔✔Prospective cohort
,✔✔The study of the frequency and distribution of injury and disease in the human
population is: - ✔✔Epidemiology
✔✔When establishing a bio monitoring program for workers exposed to benzene, one
would love for the metabolite ____________in the urine? - ✔✔Phenol
✔✔Shaver's Disease - ✔✔Caused by silica and aluminum dust and fumes
✔✔A client comes in to your medical department complaining of wrist weakness,
constipation, anemia, loss of appetite, and a peculiar linear discoloration of the gingival
tissue, you would suspect: - ✔✔Lead poisoning
✔✔Thoracic Outlet Syndrome - ✔✔Is a group of disorders that occur when blood
vessels or nerves in the space between your collarbone and your first rib (thoracic
outlet) are compressed. This can cause pain in your shoulders and neck and numbness
in your fingers.
✔✔General Duty Clause - ✔✔Statement in U.S. Occupational Safety and Health Act
that requires employers subject to OSHA to provide employees with a safe and healthy
work environment.
✔✔OSHA - Voluntary Protection Program - ✔✔This is to ensure so far as possible
every working man and woman in the nation safe and Healthful work and conditions
And to preserve our human resources by encouraging employers and employees and
their efforts to reduce the number of occupational safety and health hazards other
places of employment, and to stimulate employers and employees to institute new into
perfect existing programs for providing safe and Healthful working conditions
✔✔Process Safety Management (PSM) - ✔✔A reference to OSHA standard 29 CFR
1910.119 and 1926.64, which covers all employers who either use or produce highly
hazardous chemicals exceeding specified limits
✔✔Freon - ✔✔Can cause respiratory problems and excess pressure on the heart. Very
high concentrations result in cardiac arrhythmias and palpitations
✔✔Psittacosis - ✔✔Bacteria from bird droppings
✔✔US EPA levels of protection - ✔✔Level A is the most protective, Level D is the least
protective
✔✔Level A - ✔✔Should be selected when greatest level of skin, respiratory and eye
protection is required or conditions not known. SCBA used.
, ✔✔Level B - ✔✔Pressure-demand, full face-piece, SCBA or pressure demand air line
respirator with escape SCBA Niosh approved. Hooded chemical resistant clothing with
Requirements per NFPA 1992. Used when concentrations have been identified and
high level of respiratory protection but less skin protection is needed.
✔✔Level C - ✔✔Air purifying respirator, chemical resistant clothing, double layered
gloves
✔✔Level D - ✔✔No respiratory protection and minimal skin protection.
✔✔Ring test - ✔✔A method of testing the condition of a grinding wheel. The wheel is
mounted on a rod and tapped. A clear ring means the wheel is in good condition; a dull
thud means the wheel is in poor condition and should be disposed of.
✔✔Point of operation - ✔✔the area where the equipment actually performs its intended
task
✔✔Exposure of blades - ✔✔Periphery of fan less than 7 feet above the floor or working
level must have guard openings of less than or equal to 1/2 inch
✔✔Pinch point - ✔✔Area of machine where body part can be caught during activation
✔✔Case management - ✔✔Case management is the process of coordinating and
comprehensive healthcare services, following disease, illness or injury, to achieve
optimum quality care delivered in a cost effective manner.
✔✔Goals of Case Management - ✔✔Quality of healthcare, decrease fragmentation of
care, enhance workers quality of life, cost containment. Right treatment, right time, right
outcome, right cost
✔✔Office of vocational rehabilitation\Department of rehab - ✔✔It's funded by the US
Department of education and services provided enables individuals with disabilities to
pursue meaningful careers, secure is gainful employment commensurate with their
abilities and capabilities
✔✔Transitional work assignment - ✔✔It's Time bound, expected duration is eight weeks
or less, no longer than 12 weeks/sunset factor, if longer reevaluate
✔✔ANA defines the medical home or health home as - ✔✔A mechanism to provide
patients with a central primary care practice or provider who coordinates the patient's
care across settings and providers
✔✔First work comp law - ✔✔Wisconsin 1911
ANSWERS GRADED A+
✔✔The analysis technique where individuals are interviewed about accidents, near
misses, and hazardous conditions is known as which of the following? - ✔✔Critical
incident technique
✔✔Potentiation - ✔✔A substance which does not have a toxic effect upon a system or
organ, but when in combination with another chemical, makes the chemical much more
toxic.
✔✔Methylene chloride is a mild toxic and his primary metabolite is? - ✔✔Carbon
monoxide
✔✔A person can lose his or her heat acclimatization in as little as? - ✔✔3 days
✔✔Performance standard - ✔✔A performance standard sets the objective to be obtain
but leaves the compliance details up to the company or organization.
✔✔Noise dosimeters under OSHA's Hearing Conservation Standard accumulate noise
exposure beginning at? - ✔✔80dB
✔✔Chemicals with a "C" notation with their TLVs: - ✔✔Have ceiling TLV limits assigned
to them
✔✔Viton - ✔✔The type of glove material that offers protection against chlorinated
solvents
✔✔Quantitative fit testing - ✔✔Quantitative fit testing checks for leakage that results in
the employee smelling or sensing the presence of the fit test material.
✔✔Employees assigned to the hazardous waste site must receive a minimum
of__________ Hours of offsite training prior to assignment. - ✔✔40 hours
✔✔The amount of a chemical that kills 50% of the organisms exposed to it in the air is
the: - ✔✔LC50
✔✔The nature, degree and extent of undesirable effects of a substance is known as? -
✔✔Toxicity
✔✔The most powerful epidemiological study design is: - ✔✔Prospective cohort
,✔✔The study of the frequency and distribution of injury and disease in the human
population is: - ✔✔Epidemiology
✔✔When establishing a bio monitoring program for workers exposed to benzene, one
would love for the metabolite ____________in the urine? - ✔✔Phenol
✔✔Shaver's Disease - ✔✔Caused by silica and aluminum dust and fumes
✔✔A client comes in to your medical department complaining of wrist weakness,
constipation, anemia, loss of appetite, and a peculiar linear discoloration of the gingival
tissue, you would suspect: - ✔✔Lead poisoning
✔✔Thoracic Outlet Syndrome - ✔✔Is a group of disorders that occur when blood
vessels or nerves in the space between your collarbone and your first rib (thoracic
outlet) are compressed. This can cause pain in your shoulders and neck and numbness
in your fingers.
✔✔General Duty Clause - ✔✔Statement in U.S. Occupational Safety and Health Act
that requires employers subject to OSHA to provide employees with a safe and healthy
work environment.
✔✔OSHA - Voluntary Protection Program - ✔✔This is to ensure so far as possible
every working man and woman in the nation safe and Healthful work and conditions
And to preserve our human resources by encouraging employers and employees and
their efforts to reduce the number of occupational safety and health hazards other
places of employment, and to stimulate employers and employees to institute new into
perfect existing programs for providing safe and Healthful working conditions
✔✔Process Safety Management (PSM) - ✔✔A reference to OSHA standard 29 CFR
1910.119 and 1926.64, which covers all employers who either use or produce highly
hazardous chemicals exceeding specified limits
✔✔Freon - ✔✔Can cause respiratory problems and excess pressure on the heart. Very
high concentrations result in cardiac arrhythmias and palpitations
✔✔Psittacosis - ✔✔Bacteria from bird droppings
✔✔US EPA levels of protection - ✔✔Level A is the most protective, Level D is the least
protective
✔✔Level A - ✔✔Should be selected when greatest level of skin, respiratory and eye
protection is required or conditions not known. SCBA used.
, ✔✔Level B - ✔✔Pressure-demand, full face-piece, SCBA or pressure demand air line
respirator with escape SCBA Niosh approved. Hooded chemical resistant clothing with
Requirements per NFPA 1992. Used when concentrations have been identified and
high level of respiratory protection but less skin protection is needed.
✔✔Level C - ✔✔Air purifying respirator, chemical resistant clothing, double layered
gloves
✔✔Level D - ✔✔No respiratory protection and minimal skin protection.
✔✔Ring test - ✔✔A method of testing the condition of a grinding wheel. The wheel is
mounted on a rod and tapped. A clear ring means the wheel is in good condition; a dull
thud means the wheel is in poor condition and should be disposed of.
✔✔Point of operation - ✔✔the area where the equipment actually performs its intended
task
✔✔Exposure of blades - ✔✔Periphery of fan less than 7 feet above the floor or working
level must have guard openings of less than or equal to 1/2 inch
✔✔Pinch point - ✔✔Area of machine where body part can be caught during activation
✔✔Case management - ✔✔Case management is the process of coordinating and
comprehensive healthcare services, following disease, illness or injury, to achieve
optimum quality care delivered in a cost effective manner.
✔✔Goals of Case Management - ✔✔Quality of healthcare, decrease fragmentation of
care, enhance workers quality of life, cost containment. Right treatment, right time, right
outcome, right cost
✔✔Office of vocational rehabilitation\Department of rehab - ✔✔It's funded by the US
Department of education and services provided enables individuals with disabilities to
pursue meaningful careers, secure is gainful employment commensurate with their
abilities and capabilities
✔✔Transitional work assignment - ✔✔It's Time bound, expected duration is eight weeks
or less, no longer than 12 weeks/sunset factor, if longer reevaluate
✔✔ANA defines the medical home or health home as - ✔✔A mechanism to provide
patients with a central primary care practice or provider who coordinates the patient's
care across settings and providers
✔✔First work comp law - ✔✔Wisconsin 1911