COHN-S Exam Study Guide Solutions
Updated 2024
probabilistic science. - ANSWER✔✔-Epidemiology
LC50 - ANSWER✔✔-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 - ANSWER✔✔-
toxicity
the probability that injury will result from the use of a substance - ANSWER✔✔-hazard
selects subjects based on exposure, then follows them and measures disease occurrence. It is a powerful
and expensive study design - ANSWER✔✔-prospective cohort study
the study of the frequency, distribution and causative factors of injury and disease in the human
population - ANSWER✔✔-Epidemiology
difference between the smallest and largest - ANSWER✔✔-sample range distribution
100 dBA is two hours - ANSWER✔✔-OSHA's permissible noise exposure
at or above 85 dBA - ANSWER✔✔-As part of a hearing conservation program, audiograms must be
performed if the exposure is
4000 Hertz range. - ANSWER✔✔-Hearing loss is often first detected
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the analysis of blood, urine, skin, etc., to determine the presence of agents or metabolites -
ANSWER✔✔-Biological monitoring
Pulmonary function testing and audiometry - ANSWER✔✔-Examples of biological function
measurements
look for excess phenol in the urine. - ANSWER✔✔-To assess benzene exposure
motor vehicle use - ANSWER✔✔-The single largest cause of on-the-job fatalities
Study of adverse effects on biological systems - ANSWER✔✔-Toxicology
collect information on the incidence of occupational disease, illness and accidents. - ANSWER✔✔-
medical surveillance
protect the public. - ANSWER✔✔-The primary purpose of the Nurse Practice Act is to:
assist workers to achieve a high level of health - ANSWER✔✔-prime objective of any occupational health
nursing service is to
identify the scope of practice - ANSWER✔✔-Nursing protocols are designed to
80-90%. - ANSWER✔✔-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 -
ANSWER✔✔-Management
The process of developing the skills and knowledge of an individual for the purpose of improved
performance is called - ANSWER✔✔-training
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Intraperitoneal - ANSWER✔✔-In animal toxicological testing, what is the most common route of
administration
microphone divides the sound into frequency bands that are called octaves. It measures the sound
pressure levels in each band. - ANSWER✔✔-octave band analyzer
particles are the least penetrating. - ANSWER✔✔-Alpha
the lethal dose for 100% of animals tested - ANSWER✔✔-LD100
category A1 carcinogen - ANSWER✔✔-confirmed human carcinogen.
assumes the worker is essentially uninterested and unmotivated to work - ANSWER✔✔-Theory X
assumes the worker is basically interested and motivated to work. - ANSWER✔✔-Theory Y
tendency for an individual to give up, or withhold any sense of emotional or personal involvement in the
situation. - ANSWER✔✔-Resignation
job safety analysis. - ANSWER✔✔-technique that utilizes a method of developing job procedures that
includes a systematic task analysis that examines each step, and identifies preventive or corrective
actions required to ensure a safe operation.
treatment to help an injured employee reach a high level of productivity, in an effort to return him/her
to the competitive labor market. - ANSWER✔✔-Work hardening program
aimed at reducing work related injuries, providing appropriate treatment and returning the individual to
work quickly and safely - ANSWER✔✔-Managed care in workers compensation
the impact that an impairment has on a persons capacity to meet personal, social or occupational
demands. - ANSWER✔✔-disability
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