Page |1
COHN-S Questions and Correct Answers/
Latest Update / Already Graded
probabilistic science.
Ans: Epidemiology
LC50
Ans: The amount of a chemical that kills 50% of the organisms
exposed to it in air is the:
The nature, degree and extent of undesirable effects of a substance is
known as the
Ans: toxicity
the probability that injury will result from the use of a substance
Ans: hazard
selects subjects based on exposure, then follows them and measures
disease occurrence. It is a powerful and expensive study design
Ans: prospective cohort study
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, Page |2
the study of the frequency, distribution and causative factors of injury
and disease in the human population
Ans: Epidemiology
difference between the smallest and largest
Ans: sample range distribution
100 dBA is two hours
Ans: OSHA's permissible noise exposure
at or above 85 dBA
Ans: As part of a hearing conservation program, audiograms
must be performed if the exposure is
4000 Hertz range.
Ans: Hearing loss is often first detected
the analysis of blood, urine, skin, etc., to determine the presence of
agents or metabolites
Ans: Biological monitoring
All rights reserved © 2025/ 2026 |
, Page |3
Pulmonary function testing and audiometry
Ans: Examples of biological function measurements
look for excess phenol in the urine.
Ans: To assess benzene exposure
motor vehicle use
Ans: The single largest cause of on-the-job fatalities
Study of adverse effects on biological systems
Ans: Toxicology
collect information on the incidence of occupational disease, illness
and accidents.
Ans: medical surveillance
protect the public.
Ans: The primary purpose of the Nurse Practice Act is to:
All rights reserved © 2025/ 2026 |
, Page |4
assist workers to achieve a high level of health
Ans: prime objective of any occupational health nursing service
is to
identify the scope of practice
Ans: Nursing protocols are designed to
80-90%.
Ans: correlation between mutagenicity (as measured by the
Ames test) and carcinogenicity is estimated to be in the range
of:
The process of attaining desired results through the effective
utilization of human resources is
Ans: Management
The process of developing the skills and knowledge of an individual for
the purpose of improved performance is called
Ans: training
Intraperitoneal
All rights reserved © 2025/ 2026 |
COHN-S Questions and Correct Answers/
Latest Update / Already Graded
probabilistic science.
Ans: Epidemiology
LC50
Ans: The amount of a chemical that kills 50% of the organisms
exposed to it in air is the:
The nature, degree and extent of undesirable effects of a substance is
known as the
Ans: toxicity
the probability that injury will result from the use of a substance
Ans: hazard
selects subjects based on exposure, then follows them and measures
disease occurrence. It is a powerful and expensive study design
Ans: prospective cohort study
All rights reserved © 2025/ 2026 |
, Page |2
the study of the frequency, distribution and causative factors of injury
and disease in the human population
Ans: Epidemiology
difference between the smallest and largest
Ans: sample range distribution
100 dBA is two hours
Ans: OSHA's permissible noise exposure
at or above 85 dBA
Ans: As part of a hearing conservation program, audiograms
must be performed if the exposure is
4000 Hertz range.
Ans: Hearing loss is often first detected
the analysis of blood, urine, skin, etc., to determine the presence of
agents or metabolites
Ans: Biological monitoring
All rights reserved © 2025/ 2026 |
, Page |3
Pulmonary function testing and audiometry
Ans: Examples of biological function measurements
look for excess phenol in the urine.
Ans: To assess benzene exposure
motor vehicle use
Ans: The single largest cause of on-the-job fatalities
Study of adverse effects on biological systems
Ans: Toxicology
collect information on the incidence of occupational disease, illness
and accidents.
Ans: medical surveillance
protect the public.
Ans: The primary purpose of the Nurse Practice Act is to:
All rights reserved © 2025/ 2026 |
, Page |4
assist workers to achieve a high level of health
Ans: prime objective of any occupational health nursing service
is to
identify the scope of practice
Ans: Nursing protocols are designed to
80-90%.
Ans: correlation between mutagenicity (as measured by the
Ames test) and carcinogenicity is estimated to be in the range
of:
The process of attaining desired results through the effective
utilization of human resources is
Ans: Management
The process of developing the skills and knowledge of an individual for
the purpose of improved performance is called
Ans: training
Intraperitoneal
All rights reserved © 2025/ 2026 |
