Workplace Safety and Risk Management
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Questions and Answers

What does evaluating risks primarily involve?

  • Eliminating all sources of danger
  • Training employees on safety measures
  • Assessing exposure to danger and prioritizing preventive actions (correct)
  • Replacing dangerous processes with safer ones

What is the MAIN goal of combating risks at the source?

  • Training workers on hazard identification
  • Integrating prevention during the design phase of workplaces and equipment (correct)
  • Providing personal protective equipment to all workers
  • Conducting regular safety audits

When should personal protective equipment be used according to best practices?

  • As a last resort in emergencies
  • As the primary safety measure for all workers
  • Only when collective protective measures are insufficient (correct)
  • Instead of collective protective measures

What is a key responsibility of the employer regarding workplace safety?

<p>Take necessary measures based on risk assessments (B)</p> Signup and view all the answers

What should be prioritized in the planning of preventive measures?

<p>The integration of technique, organization, and working conditions (B)</p> Signup and view all the answers

What does adapting work to the individual aim to achieve?

<p>Reducing the negative impact of work on health (B)</p> Signup and view all the answers

What role does the Health, Safety, and Working Conditions Committee (HSWCC) play?

<p>It assesses risks and proposes solutions to improve working conditions (C)</p> Signup and view all the answers

Replacing dangerous processes with less hazardous ones is an example of which preventive measure?

<p>Replacing what is dangerous with what is less so (B)</p> Signup and view all the answers

What does the equation Risk = Hazard * Exposure signify?

<p>Both hazard presence and exposure levels contribute to risk. (C)</p> Signup and view all the answers

Which of the following best defines a hazard?

<p>A condition that can lead to an accident or harmful event. (C)</p> Signup and view all the answers

Which statement about risk factors is correct?

<p>Risk factors can increase or decrease the likelihood or severity of an event. (A)</p> Signup and view all the answers

What is meant by 'exposure' in the context of risk?

<p>The situation where a person comes in contact with a hazard. (B)</p> Signup and view all the answers

Which of the following is a characteristic of a source of risk?

<p>Presence of potential hazards that can cause accidents. (D)</p> Signup and view all the answers

What does damage refer to in the context of risks?

<p>An injury or harm that results from a hazardous situation. (A)</p> Signup and view all the answers

Which of the following is a factor that can increase risk in a work environment?

<p>Noise and agitation in the workplace. (D)</p> Signup and view all the answers

What type of damage is characterized by being harmful or life-threatening due to exposure to hazardous conditions?

<p>Health impairments or occupational diseases. (A)</p> Signup and view all the answers

What is the primary focus of the fault tree method in accident analysis?

<p>Determining direct causes of accidents (B)</p> Signup and view all the answers

Which of the following steps is NOT part of the accident analysis using the fault tree method?

<p>Implementation of immediate corrective actions (A)</p> Signup and view all the answers

What kind of approach does the fault tree method utilize to analyze accidents?

<p>Deductive reasoning starting from an event (D)</p> Signup and view all the answers

Which principle emphasizes the need for independent events in root cause analysis?

<p>Identified events are to remain independent (B)</p> Signup and view all the answers

What does the analysis of a cause-and-effect tree aim to evaluate?

<p>Plausibility of identified causes (A)</p> Signup and view all the answers

What is a necessary step before constructing the cause tree?

<p>Understanding the system and risks involved (A)</p> Signup and view all the answers

What question is NOT typically asked when determining immediate, necessary, and sufficient causes of an event?

<p>How can this situation be avoided in the future? (D)</p> Signup and view all the answers

What aspect does the graphical representation in a fault tree diagram help to clarify?

<p>The sequence of events and their logical connections (B)</p> Signup and view all the answers

What does the frequency index primarily refer to in an organization?

<p>The number of employees in the organization. (D)</p> Signup and view all the answers

Which factor is NOT considered in the assessment of frequency?

<p>Severity of the accidents. (D)</p> Signup and view all the answers

What does the criticality matrix relate to?

<p>The relationship between frequency and severity. (D)</p> Signup and view all the answers

In the risk assessment phase, which of the following is primarily improved by preventive actions?

<p>Frequency factor. (A)</p> Signup and view all the answers

What is the primary function of formulating hypotheses in the cause tree analysis phase?

<p>To clarify what happened and the circumstances. (A)</p> Signup and view all the answers

When evaluating risk, which of the following does NOT impact the results of risk assessments?

<p>The geographic location of the company. (C)</p> Signup and view all the answers

Which of the following best describes the priority of reducing unnecessary risks according to the risk assessment?

<p>Priority 3 indicates risks should be reduced when possible. (A)</p> Signup and view all the answers

What does the severity factor primarily improve with?

<p>Preventive actions. (A)</p> Signup and view all the answers

What is the primary route of entry into the body that frequently occurs in the workplace due to airborne pollutants?

<p>Penetration through the lungs (D)</p> Signup and view all the answers

Which type of poisoning occurs through repeated exposure to harmful substances over a long period?

<p>Chronic poisoning (B)</p> Signup and view all the answers

What distinguishes corrosive products from irritant products?

<p>Corrosive products burn skin and mucous membranes. (B)</p> Signup and view all the answers

What types of products are classified as carcinogenic?

<p>Products that can cause cancer or increase its frequency (B)</p> Signup and view all the answers

Which route of entry does NOT usually involve the intestinal tract?

<p>Skin penetration (A)</p> Signup and view all the answers

What is the effect of teratogenic products on health?

<p>They can cause malformations in embryos. (A)</p> Signup and view all the answers

Which of the following best describes sensitizing or allergenic products?

<p>They only affect individuals who have previously become sensitized. (A)</p> Signup and view all the answers

What is the likely health risk when using harmful products in poorly ventilated areas?

<p>Chronic poisoning due to high concentration (C)</p> Signup and view all the answers

What is the primary purpose of gathering facts in the analysis process?

<p>To identify immediate, necessary, and sufficient causes (B)</p> Signup and view all the answers

Which of the following accurately describes a fact in the context of this analysis?

<p>A precise, concrete, and verifiable statement (B)</p> Signup and view all the answers

When should the collection of facts be conducted?

<p>As soon as possible at the site of the incident (D)</p> Signup and view all the answers

What aspect does NOT need to be considered when analyzing the individual involved in an incident?

<p>His personal opinions on safety (B)</p> Signup and view all the answers

What is the starting point for constructing the cause-and-effect tree?

<p>The lesion or incident itself (B)</p> Signup and view all the answers

Which factor does NOT influence the environment in which the activity takes place?

<p>The victim's personal beliefs (C)</p> Signup and view all the answers

Which statement about facts collected during an analysis is incorrect?

<p>They can be based on subjective interpretations. (C)</p> Signup and view all the answers

What is the characteristic of a fact that differentiates it from an opinion or judgment?

<p>It is precise, concrete, and verifiable. (D)</p> Signup and view all the answers

Flashcards

Hazard

A condition that has the potential to cause harm.

Risk

The likelihood of a hazard causing harm, considering the frequency and severity of potential events.

Exposure

The interaction or contact between a person and a hazard.

Risk Factors

Elements that can increase or decrease the likelihood of an accident occurring or the severity of its consequences.

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Damage

Any injury or damage to health, goods, or functions of a system.

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Accident Causation

A combination of factors, including hazards, exposure, and risk factors, that can lead to an accident.

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Potential Hazard

A situation containing all the necessary factors that could lead to an undesirable event. It can compromise safety, security, and the environment.

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Risk Equation (Risk = Hazard * Exposure)

The formula that expresses the relationship between hazard, exposure, and risk.

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Ingestion

The process by which a chemical enters the body through the mouth.

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Percutaneous Absorption

The process by which a chemical enters the body through the skin.

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Inhalation

The process by which chemicals enter the body through the respiratory system.

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Acute Toxicity

Harmful effects that occur immediately or soon after exposure to a chemical.

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Chronic Toxicity

Harmful effects that develop over time due to repeated or prolonged exposure to a chemical.

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Carcinogen

A chemical that can cause cancer or increase the risk of cancer.

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Mutagen

A chemical that can cause changes in DNA, potentially leading to cancer.

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Teratogen

A chemical that can cause birth defects in developing embryos.

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Risk Assessment

Identifying and evaluating potential dangers in the workplace to understand their likelihood and impact.

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Risk Control

The process of taking steps to eliminate or reduce the risk of harm by addressing the root cause of hazards.

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Combatting Risks at the Source

Changing work processes or equipment to make them safer, for example, designing buildings with safer entrances.

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Adapt Work to the Individual

Adjusting work tasks or the environment to fit individual differences, including physical or mental abilities, to minimize health risks.

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Taking into Account Technology Evolution

Staying up-to-date with new technologies and their potential safety implications.

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Replacing Dangerous with Less Dangerous Alternatives

Replacing hazardous elements with safer alternatives, for example, using less toxic chemicals or adopting safer machinery.

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Plan Prevention by Integrating Different Elements

A comprehensive approach to safety that considers multiple aspects, including technical aspects, organizational structure, working conditions, and social interactions.

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Prioritizing Collective Protective Measures over Personal Protective Equipment

Prioritizing collective protective measures, such as engineering controls or safe work practices, and using personal protective equipment (PPE) only as a last resort when other measures are not sufficient.

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Frequency Index

A method to evaluate the likelihood of an event happening, often used in risk assessment.

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Severity Factor

A tool measuring the severity of potential damage or harm.

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Criticality Matrix

A simple matrix that visually represents the relationship between frequency and severity of potential risks.

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Cause Tree Analysis

Analyzing potential causes that may have led to an accident by considering historical data, facts, and circumstances.

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Risk Priority

Categorizes a risk based on its urgency and the need for immediate action.

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Assessing Frequency

A step in risk assessment where the likelihood of a risk occurring is determined based on past data or observations.

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Assessing Severity

A step in risk assessment where the potential consequences of a risk happening are evaluated.

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Risk Reduction

A process of actively reducing or controlling identified risks.

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Fault Tree Analysis

A method that starts with a feared event, such as an accident, and works backward to identify the causes that led to it.

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Direct Causes

The events that directly contribute to a final event, like an accident. They can be equipment failures, human actions, or other factors.

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Decomposition of Facts

The process of breaking down complex events into simpler, independent events, making it easier to understand the cause-and-effect relationships.

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INS (Immediate, Necessary, and Sufficient)

The process of investigating the necessary and sufficient causes of an event to understand how they contributed to the final outcome.

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Cause-And-Effect Diagram

The representation of the cause-and-effect relationships in a visual format, using a tree-like structure.

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Plausibility Evaluation

The evaluation and ranking of potential causes to determine the most likely scenario leading to the final event.

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System Understanding

A stage of the Fault Tree Analysis that involves understanding the system, its components, and the potential risks involved.

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Defining the Feared Event

A crucial step in Fault Tree Analysis that precisely defines the feared event, providing a clear focus for the investigation.

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Collecting Facts

Involves gathering precise, verifiable facts regarding an incident or accident, focusing on actions, states, and observations, while avoiding opinions or judgments.

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Cause-and-Effect Tree

The analysis technique that focuses on identifying the root cause of an incident by systematically exploring the contributing factors in a hierarchical structure.

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Lesion

The starting point of the cause-and-effect tree analysis method, which represents the ultimate incident or event that triggered the analysis.

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Fact

Information that is specific, concrete, and confirmable, based on objective evidence and observations.

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Environment

Describes the circumstances and surroundings of an incident, including the physical layout, environmental factors, and organizational context.

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Individual (Victim)

The person directly impacted by the incident, whose attributes and actions form a crucial part of the analysis.

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Right-to-Left Construction

The method of constructing the cause-and-effect tree, moving from the incident (lesion) towards root causes.

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Study Notes

Introduction to Risk Assessment and Control

  • Risk assessment is a crucial process in workplace safety.
  • Hazards and risks are differentiated to identify stakeholders involved.
  • Frequency and severity rates are indicators to measure workplace accidents.
  • Occupational diseases and evaluation methods are part of the process.
  • Creating a cause-and-effect tree analysis in accidents helps identify contributing factors.
  • Risk assessment and control ensure a safe workplace environment.
  • Occupational Hygiene complements occupational medicine, ergonomics and safety.
  • Key factors in workplace safety, hygiene and health are integrated into company strategy.
  • Occupational health is at the intersection of public health, ecology and sustainable development.

Basic Concepts (Hazard, Risk)

  • Danger is a potential harm to physical integrity or the environment.
  • Hazard is a potential threat of harm.
  • Risk is an assessment of exposure to a hazard.
  • Risk = Hazard x Exposure
  • Risk is the probability of harm and its severity.

Risk-Based Approach

  • Analyze risks, define work boundaries, identify dangers, estimate risks.
  • Assess risks (is the risk manageable?).
  • Suppression/reduction of risks.
  • General principles of prevention: eliminate danger and exposure, evaluate risks, combat risks at source, adapt work to individual.
  • Replacing hazardous with less hazardous items or methods.
  • Plan prevention through integration of technique, organization, and working conditions, social relations, and environment.

Basic Concepts (Nuisance, Incident, Near Miss, Work Accident)

  • Nuisance is items that negatively impact quality of life (pollution, noise etc).
  • Incident is an unwanted event during work without bodily injury.
  • Near miss is an unexpected event that could've caused an accident.
  • Work accident is a bodily injury with temporary or permanent lesions caused by sudden and rapid external action. This includes incidents with differing degrees of severity that require differing levels of care.

Risk Classification

  • Risk is categorized according to factors: mechanical: impacts, cuts; physical: vibrations, temperature; chemical: exposure, biological: infectious agents, radiological: radiation; psychological: assault or harassment.

Routes of Entry into the Body

  • Chemicals enter the body via the mouth (ingestion), skin (percutaneous route), and lungs (inhalation).

Prevention

  • Chemical product information is essential (choice, use, risks, waste management, storage, transportation).
  • Permissible exposure limits (PELs) protect workers from hazardous material exposure.
  • Occupational health and safety indicators are important for safety management systems. These indicators are used for assessing levels of severity and frequency of undesirable events.
  • Cause-and-effect diagrams are tools to analyze accidents. Each accident should be analyzed, and the required preventative measures should be implemented and audited.

Occupational Risks

  • Occupational diseases result from exposure to hazardous products, often causing chronic poisoning over time.
  • Accidents or diseases can be caused by mechanical issues, handling issues, chemical, or psychological issues.

Emergency Procedures

  • Safety procedure to evacuate in case of an emergency (evacuation plans, alarms, instructions, etc.).
  • Report immediately to designated safety officer.

Stakeholders in Prevention

  • Employers have the primary responsibility for workplace safety (compliance to regulations).
  • Workers must act responsibly for their own health and of others.
  • Committees (HSWCC) are crucial for employee representation and consultation.

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Test your knowledge on key concepts in workplace safety and risk management. This quiz covers the evaluation of risks, personal protective equipment usage, and the responsibilities of employers in ensuring a safe working environment. Understanding these aspects is crucial for maintaining safety standards and reducing hazards at work.

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