CORRECT ANSWERS
Q1: A COHN-S is conducting a workplace walk-through survey. Which
of the following is the primary objective of this activity?
A) To identify potential health hazards and evaluate existing control
measures
B) To interview employees about their job satisfaction
C) To review the company's financial records
D) To inspect fire extinguisher expiration dates
Answer: A
Q2: A worker reports persistent low back pain after six months of
working in a warehouse. Which of the following ergonomic
interventions should the COHN-S recommend FIRST?
A) Prescribe muscle relaxants
B) Refer for immediate lumbar surgery
C) Recommend a back belt and stretching program, and evaluate lifting
techniques
D) Advise the worker to find a different job
Answer: C
,Q3: A nurse is reviewing a Material Safety Data Sheet (SDS) for a new
chemical used in the workplace. The SDS indicates the chemical has a
flash point of 25°C. This information is MOST relevant for:
A) Determining appropriate fire prevention measures
B) Evaluating the chemical's carcinogenic potential
C) Identifying appropriate personal protective equipment for skin
contact
D) Assessing reproductive toxicity risks
Answer: A
Q4: An employee has been exposed to asbestos during a building
renovation. Which of the following is the MOST appropriate long-term
surveillance recommendation?
A) Annual chest X-ray and pulmonary function testing every 3-5 years
B) Monthly complete blood count
C) Annual cardiac stress testing
D) Biannual liver function panel
Answer: A
Q5: A COHN-S is developing a hearing conservation program. Which of
the following is a REQUIRED element per OSHA standards?
A) Annual audiometric testing for all employees exposed to ≥85 dBA
B) Mandatory hearing aids for all employees over age 50
C) Quarterly ear canal irrigation
D) Twice-yearly tympanometry for all workers
,Answer: A
Q6: A worker presents with erythema, itching, and vesicle formation
on the hands after using a new cleaning solution. The COHN-S should
suspect:
A) Contact dermatitis
B) Varicella infection
C) Scabies infestation
D) Thermal burn
Answer: A
Q7: Which federal agency is primarily responsible for enforcing
workplace safety and health regulations in the United States?
A) CDC
B) OSHA
C) EPA
D) FDA
Answer: B
Q8: A worker who handles pesticides begins to experience symptoms
of nausea, vomiting, and diarrhea. The COHN-S should consider which
type of poisoning?
A) Lead poisoning
B) Organophosphate poisoning
, C) Carbon monoxide poisoning
D) Silicosis
Answer: B
Q9: When performing a workplace health risk assessment, the COHN-
S should FIRST:
A) Order laboratory tests for all employees
B) Hire a consultant to conduct ergonomic evaluations
C) Conduct a thorough walkthrough survey and review existing health
data
D) Immediately implement a wellness program
Answer: C
Q10: A nurse is managing a worker who has sustained a needlestick
injury. The MOST immediate action is:
A) Report to OSHA within 24 hours
B) Initiate post-exposure prophylaxis as per protocol after assessing
source patient
C) Administer tetanus vaccine
D) Schedule a follow-up appointment in one week
Answer: B
Q11: Which of the following vaccines is STRONGLY recommended for
healthcare workers with potential bloodborne pathogen exposure?