,Table of Contents
Content Area Questions Key Topics
Occupational Health Nurse 1-30 Occupational, Health, Worker, Exposure, Appropriate
COHN Comprehensive WITH
Rationales AND WITH
Complete Solution
Occupational Health Nursing
Graduate
Health 31-60 Occupational, Worker, Program, Exposure, Standard
Worker 61-90 Exposure, Occupational, Health, Worker S, Hearing
Exposure 91-120 Worker, Occupational, Chemical, Health, Appropriate
Program 121-150 Health, Occupational, Worker, Standard, Injury
Standard 151-180 Occupational, Health, Program, Worker, Workplace
TOTAL 180 All questions include answers and detailed rationales
,Section A - Occupational Health Nurse COHN
Comprehensive WITH Rationales AND WITH Complete
Solution Occupational Health Nursing Graduate
Q1.
In a manufacturing plant, a worker develops acute symptoms after using a solvent. The
solvent's OEL is 100 ppm. Air sampling shows 8-hour TWA of 80 ppm, but the worker's
symptoms are consistent with solvent exposure. What is the most appropriate initial
action?
A. Reassure the worker and return to duty B. Conduct a medical evaluation and review
because the exposure is below the OEL. the exposure scenario for peak exposures.
C. Ignore the air sampling and rely solely on D. Immediately remove all workers from the
clinical judgment. plant until a full investigation is complete.
Correct: B - Conduct a medical evaluation and review the exposure scenario for peak
exposures.
Rationale:The OEL is an 8-hour TWA and may not protect against short-term peak
exposures. A medical evaluation and review of the exposure scenario are essential to
determine if there were excursions above the STEL or ceiling. Returning to duty without
investigation ignores the possibility of overexposure. Removing all workers is disproportionate
without evidence of imminent danger.
Q2.
An occupational health nurse is implementing a hearing conservation program. Which
combination of control measures aligns best with the hierarchy of controls for reducing
noise exposure?
A. Provide hearing protection, rotate B. Enclose the noise source, implement
workers, and post warning signs. engineering noise dampening, and limit
exposure time.
C. Conduct annual audiograms, provide D. Substitute equipment, use administrative
training, and enforce use of earplugs. controls, and perform noise monitoring.
Correct: B - Enclose the noise source, implement engineering noise dampening, and limit
exposure time.
Rationale:The hierarchy of controls prioritizes elimination, substitution, engineering controls,
administrative controls, and personal protective equipment. Enclosing the source and
engineering dampening are engineering controls, which are more effective than administrative
controls or PPE. Options A and C rely on PPE and administrative controls. Option D mixes
substitution and administrative but lacks engineering controls.
Page 3
, Section A - Occupational Health Nurse COHN Comprehensive WITH Rationales AND WITH Complete Solution Occupational Health Nursing
Graduate
Q3.
A worker with a known latex allergy is assigned to a new position involving frequent glove
changes. Which action is most appropriate to prevent anaphylaxis?
A. Provide non-latex gloves and an allergy B. Recommend the worker take
action plan. antihistamines before each shift.
C. Perform a skin prick test to confirm the D. Exempt the worker from all duties
allergy. requiring glove use.
Correct: A - Provide non-latex gloves and an allergy action plan.
Rationale:The primary prevention for latex allergy is avoidance of latex exposure. Providing
non-latex gloves and an allergy action plan is the standard of care. Antihistamines do not
prevent anaphylaxis. Skin prick testing is diagnostic, not preventive. Exempting from all glove
use may be too broad and unnecessary if non-latex alternatives are available.
Q4.
According to the ethical framework for occupational health nursing, which situation
represents a conflict between the worker's autonomy and the nurse's duty to protect
public health?
A. A worker refuses a voluntary health B. A worker with a contagious disease
screening. refuses to stay home.
C. A worker requests access to their own D. A worker asks for a second opinion
medical records. regarding a work-related injury.
Correct: B - A worker with a contagious disease refuses to stay home.
Rationale:The worker's autonomy to refuse treatment or isolation conflicts with the duty to
prevent harm to others. This is a classic public health ethics dilemma. Refusing voluntary
screening (A) is an autonomy issue without public health risk. Access to records (C) is a legal
right. Second opinion (D) is an autonomy-supportive action.
Q5.
An occupational health nurse is reviewing a plant's toxicology data. Which substance is
correctly paired with its primary target organ?
A. Silica - kidney B. Lead - peripheral nervous system
C. Benzene - liver D. Asbestos - gastrointestinal tract
Correct: B - Lead - peripheral nervous system
Page 4
Content Area Questions Key Topics
Occupational Health Nurse 1-30 Occupational, Health, Worker, Exposure, Appropriate
COHN Comprehensive WITH
Rationales AND WITH
Complete Solution
Occupational Health Nursing
Graduate
Health 31-60 Occupational, Worker, Program, Exposure, Standard
Worker 61-90 Exposure, Occupational, Health, Worker S, Hearing
Exposure 91-120 Worker, Occupational, Chemical, Health, Appropriate
Program 121-150 Health, Occupational, Worker, Standard, Injury
Standard 151-180 Occupational, Health, Program, Worker, Workplace
TOTAL 180 All questions include answers and detailed rationales
,Section A - Occupational Health Nurse COHN
Comprehensive WITH Rationales AND WITH Complete
Solution Occupational Health Nursing Graduate
Q1.
In a manufacturing plant, a worker develops acute symptoms after using a solvent. The
solvent's OEL is 100 ppm. Air sampling shows 8-hour TWA of 80 ppm, but the worker's
symptoms are consistent with solvent exposure. What is the most appropriate initial
action?
A. Reassure the worker and return to duty B. Conduct a medical evaluation and review
because the exposure is below the OEL. the exposure scenario for peak exposures.
C. Ignore the air sampling and rely solely on D. Immediately remove all workers from the
clinical judgment. plant until a full investigation is complete.
Correct: B - Conduct a medical evaluation and review the exposure scenario for peak
exposures.
Rationale:The OEL is an 8-hour TWA and may not protect against short-term peak
exposures. A medical evaluation and review of the exposure scenario are essential to
determine if there were excursions above the STEL or ceiling. Returning to duty without
investigation ignores the possibility of overexposure. Removing all workers is disproportionate
without evidence of imminent danger.
Q2.
An occupational health nurse is implementing a hearing conservation program. Which
combination of control measures aligns best with the hierarchy of controls for reducing
noise exposure?
A. Provide hearing protection, rotate B. Enclose the noise source, implement
workers, and post warning signs. engineering noise dampening, and limit
exposure time.
C. Conduct annual audiograms, provide D. Substitute equipment, use administrative
training, and enforce use of earplugs. controls, and perform noise monitoring.
Correct: B - Enclose the noise source, implement engineering noise dampening, and limit
exposure time.
Rationale:The hierarchy of controls prioritizes elimination, substitution, engineering controls,
administrative controls, and personal protective equipment. Enclosing the source and
engineering dampening are engineering controls, which are more effective than administrative
controls or PPE. Options A and C rely on PPE and administrative controls. Option D mixes
substitution and administrative but lacks engineering controls.
Page 3
, Section A - Occupational Health Nurse COHN Comprehensive WITH Rationales AND WITH Complete Solution Occupational Health Nursing
Graduate
Q3.
A worker with a known latex allergy is assigned to a new position involving frequent glove
changes. Which action is most appropriate to prevent anaphylaxis?
A. Provide non-latex gloves and an allergy B. Recommend the worker take
action plan. antihistamines before each shift.
C. Perform a skin prick test to confirm the D. Exempt the worker from all duties
allergy. requiring glove use.
Correct: A - Provide non-latex gloves and an allergy action plan.
Rationale:The primary prevention for latex allergy is avoidance of latex exposure. Providing
non-latex gloves and an allergy action plan is the standard of care. Antihistamines do not
prevent anaphylaxis. Skin prick testing is diagnostic, not preventive. Exempting from all glove
use may be too broad and unnecessary if non-latex alternatives are available.
Q4.
According to the ethical framework for occupational health nursing, which situation
represents a conflict between the worker's autonomy and the nurse's duty to protect
public health?
A. A worker refuses a voluntary health B. A worker with a contagious disease
screening. refuses to stay home.
C. A worker requests access to their own D. A worker asks for a second opinion
medical records. regarding a work-related injury.
Correct: B - A worker with a contagious disease refuses to stay home.
Rationale:The worker's autonomy to refuse treatment or isolation conflicts with the duty to
prevent harm to others. This is a classic public health ethics dilemma. Refusing voluntary
screening (A) is an autonomy issue without public health risk. Access to records (C) is a legal
right. Second opinion (D) is an autonomy-supportive action.
Q5.
An occupational health nurse is reviewing a plant's toxicology data. Which substance is
correctly paired with its primary target organ?
A. Silica - kidney B. Lead - peripheral nervous system
C. Benzene - liver D. Asbestos - gastrointestinal tract
Correct: B - Lead - peripheral nervous system
Page 4
