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Worksheetsсессия 4,5
Total questions: 48
Worksheet time: 27mins
What are the four basic principles of industrial hygiene?
Anticipation, Recognition, Evaluation, Control
Preparation, Execution, Inspection, Reporting
Planning, Organizing, Leading, Controlling
Analysis, Synthesis, Application, Evaluation
None of the above
Which of the following is NOT a common route of entry for hazardous substances into the human body in the workplace?
Inhalation
Skin contact
Ingestion
Injection
All are common routes
What is the most important route of absorption for hazardous substances in the work environment?
Inhalation
Skin contact
Ingestion
Eye contact
Injection
Which of the following is a direct health indicator of workplace hazards?
A worker is killed in an acute poisoning incident
The company receives a safety award
New equipment is installed
Workers are given additional training
None of the above
What is the purpose of a preliminary or walkthrough survey in industrial hygiene?
To identify hazards and evaluate workplace conditions
To conduct financial audits
To measure employee satisfaction
To install new machinery
To schedule employee vacations
Which of the following is NOT typically observed during a walkthrough survey?
The process and materials used
Number of workers involved
Visible conditions such as dusts or mists
Employee personal financial records
Engineering controls in place
Which of the following is classified as a chemical hazard in the workplace?
Inhalation of dusts, mists, gases, or vapors
Exposure to loud noise
Poor lighting
Slippery floors
High temperatures
What does the term "Maximum Permissible Concentration (MPC)" refer to?
The highest amount of a harmful substance allowed in the workplace air without causing health problems
The maximum number of employees allowed in a workspace
The largest volume of production output
The highest temperature allowed in a workplace
The maximum working hours per week
What type of effect occurs when a hazardous substance causes harm at the site of contact with the body?
Local effect
Systemic effect
Chronic effect
Mutagenic effect
Carcinogenic effect
Which class of harmful substances is considered "extremely dangerous" according to GOST?
1st class
2nd class
3rd class
4th class
5th class
Which of the following is a chronic effect of exposure to hazardous substances?
Asbestosis
Headache
Dizziness
Nausea
Cough
What is the main goal of industrial hygiene?
To recognize, evaluate, and control workplace health hazards
To increase production speed
To reduce company expenses
To improve product quality
To train new employees
Which of the following is a general toxic substance?
Organophosphorus compounds
Water
Oxygen
Nitrogen
Sodium chloride
What is the best way to reduce the dose of a hazardous substance in the workplace?
Reduce concentration or duration of exposure
Increase working hours
Ignore safety guidelines
Remove all ventilation
Increase the number of workers
Which of the following substances is known to have a carcinogenic effect?
Chromium
Water
Sodium chloride
Nitrogen
Oxygen
What is the primary purpose of an OHS management system for employees?
To increase company profits
To address company risk and protect employees
To reduce the workforce
To avoid legal obligations
To eliminate all training programs
Occupational safety and health can best be described as:
A single-discipline focused on economic growth
A multidisciplinary activity aiming at protecting and promoting workers' health
A system for tracking employee attendance
A marketing strategy
A set of rules for office workers only
Which of the following is a common workplace problem contributing to unsafe conditions?
New equipment
Poor ventilation and old machines
Regular safety inspections
High education levels
Abundant financial resources
What is an example of a physical hazard in the workplace?
Excessive noise or vibration
Poor job satisfaction
Insects and rodents
Repetitive motion injuries
Leadership style
Which of the following is classified as a chemical agent hazard?
Chemical dust, mists, fumes, vapors, or gases
Poor lighting
Job dissatisfaction
Inadequate motivation
Improper lifting
Ergonomic hazards are most often caused by:
Improperly designed tools or work procedures
Excessive heat
Insects and rodents
Loud music
New technologies
Which of the following is a psychosocial factor in the workplace?
Work rhythm and job satisfaction
Excessive dust
Chemical fumes
Poor ventilation
Old machines
Occupational health and safety hazards can be classified as:
Only physical and chemical
Physical, mechanical, chemical, biological, ergonomic, and psychosocial
Only biological and ergonomic
Only mechanical
Only psychosocial
Which category of physical work involves an energy expenditure of more than 290 W?
Light physical work (Category I)
Medium gravity work (Category II)
Heavy physical work (Category III)
Sedentary work (Category 0)
Administrative work
Optimal microclimatic conditions in the workplace are defined as:
Conditions ensuring discomfort and low efficiency
Parameters that maintain normal thermal state and high efficiency
Any conditions present in the workplace
Parameters that can cause illness if exposed for a long time
Only low temperature and high humidity
Which of the following is a consequence of low air temperature in production environments?
Increased sweating
Local or general cooling, risk of hypothermia or frostbite
Improved blood circulation
Higher productivity
Enhanced thermoregulation
What can occur if a person is exposed to high temperatures for a prolonged period during work?
Rapid fatigue and risk of thermal hyperthermia
Improved immune system
Lower risk of dehydration
Increased muscle mass
Enhanced memory
What is a characteristic symptom of heat stroke?
Increased sweating
Loss of consciousness and cessation of sweating
Lowered body temperature
Slow pulse
Cold, clammy skin
Which of the following is NOT a main meteorological parameter characterizing the microclimate of industrial premises?
Air temperature
Relative humidity
Speed of air movement
Noise level
Intensity of thermal radiation
Prolonged exposure to adverse meteorological factors in the workplace can lead to:
Improved productivity
Rapid fatigue, illness, and decreased health
Increased motivation
Better concentration
Higher salaries
What is the main function of thermoregulation in the human body?
To increase body weight
To maintain a constant internal body temperature
To speed up metabolism
To improve vision
To regulate blood pressure only
Which fire extinguishing agent is most suitable for fires involving flammable liquids (Class B fires)?
Water
Foam-based extinguishers
Dry powder only
Fire blankets exclusively
Sand
What is a necessary step when using a fire extinguisher?
Aim at the top of the flames
Squeeze the handle and sweep the nozzle side to side at the base of the fire
Spray randomly without aiming
Use water on electrical fires
Use only after fire department arrives
How are production processes grouped according to sanitary characteristics?
How are production processes grouped according to sanitary characteristics?
By the type of raw materials and degree of harmful emissions
By the color of the factory walls
By the number of employees only
By the brand of equipment used
By the location of the company headquarters
Which of the following best describes the primary objective of a root cause analysis in workplace accident investigations?
To identify the immediate cause of the accident only
To determine the underlying system failures that allowed the accident to occur
To assign legal liability to an individual
To document the accident for insurance purposes
To evaluate employee performance
In the context of industrial injuries, which scenario would most likely be classified as a "work-related accident" under international occupational safety standards?
An employee slips while walking to the restroom during a break
An employee suffers chemical burns while cleaning a machine during scheduled maintenance
An employee is injured in a car accident on the way to work
An employee injures themselves while exercising at home
An employee has a heart attack unrelated to work activities
When investigating an accident involving multiple injured workers, which factor is most critical to determine the classification as a "group accident"?
The number of injured workers exceeds five
The injuries occurred due to a single event or hazard exposure within the same timeframe
The accident happened in the same building but at different times
The injured workers belong to the same department regardless of injury time
The injuries were caused by different hazards
Which of the following best exemplifies a latent organizational failure contributing to an accident?
An employee operating machinery without proper training due to inadequate onboarding programs
A worker slipping on a wet floor that was not marked with warning signs
A machine malfunction caused by lack of maintenance
An employee ignoring safety protocols
A hazardous chemical spill caused by improper storage
Which of the following combinations of factors is most likely to contribute to an accident involving both technical and human errors?
Faulty equipment design coupled with lack of employee awareness of hazards
Proper equipment maintenance and rigorous safety training
Adequate supervision and employee compliance with safety rules
Use of personal protective equipment and regular hazard assessments
Effective communication and emergency preparedness drills
During an accident investigation, the collection of which of the following types of evidence is most crucial for reconstructing the sequence of events?
Witness testimonies, equipment inspection reports, and environmental conditions at the time of the accident
Employee attendance records and payroll data
Company financial statements
Marketing materials and product brochures
Social media posts unrelated to the incident
Which of the following is the most appropriate immediate response when a worker is found unconscious due to an electric shock?
Attempt to move the worker away from the source before cutting off power
Ensure the power source is disconnected before providing first aid, then initiate CPR if necessary
Spray water on the worker to cool them down
Wait for emergency services without intervening
Remove any jewelry from the worker before turning off the power
In evaluating the severity of an occupational injury, which of the following criteria is least relevant?
The degree of permanent disability caused
The immediate financial cost of medical treatment
The duration of work absence due to the injury
The psychological impact on the injured worker
The potential for recurrence of similar injuries
Which of the following best describes the role of "near-miss" reporting in workplace safety management?
It is optional and has little impact on safety improvements
It helps identify hazards before they result in actual accidents, enabling proactive risk management
It is used primarily for disciplinary actions against employees
It only applies to accidents with injuries
It is irrelevant if no property damage occurs
In the classification of occupational accidents, which of the following would NOT typically be considered a "serious accident"?
An accident resulting in loss of a limb
An accident causing temporary loss of consciousness but no lasting injury
An accident causing permanent disability
An accident resulting in hospitalization for more than 24 hours
An accident resulting in death
Which of the following best reflects the concept of "human factors" in accident causation?
Equipment failure due to poor design
Environmental hazards such as noise and dust
Psychological, cognitive, and physical conditions affecting worker behavior and decision-making
Lack of safety signage
Inadequate lighting in the workplace
When documenting an accident, which of the following details is most critical for legal and preventive purposes?
Exact time and location, description of the event, involved personnel, and identified causes
The names of the victim's family members
The company's annual profit margin
The weather conditions unrelated to the incident
The victim's personal hobbies
Which of the following best describes the difference between "acute" and "chronic" occupational injuries or diseases?
Acute injuries develop slowly over time; chronic injuries occur suddenly
Acute injuries occur suddenly and are often severe; chronic injuries develop gradually due to prolonged exposure
Both terms refer to injuries caused by chemical exposure only
Chronic injuries are always life-threatening; acute injuries are not
There is no difference between acute and chronic injuries
