Hierarchy of Hazard Controls

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Questions and Answers

In the hierarchy of hazard controls, which approach is considered the MOST effective at minimizing workplace hazards?

  • Substituting the hazard with a less dangerous alternative.
  • Eliminating the hazard entirely from the workplace. (correct)
  • Implementing administrative controls such as limiting exposure time.
  • Providing personal protective equipment (PPE) to all workers.

When applying the hierarchy of controls to infection prevention in a hospital, which of the following scenarios represents an engineering control?

  • Implementing a policy that limits the number of patients each nurse can attend to.
  • Providing disposable gloves and masks for all healthcare staff and visitors.
  • Installing a negative pressure ventilation system in an isolation room. (correct)
  • Requiring all healthcare workers to participate in annual hand hygiene training.

What is the MOST critical reason for emphasizing the use of Personal Protective Equipment (PPE) in infection control, despite it being the last line of defense in the hierarchy of controls?

  • To ensure healthcare providers are individually protected in situations where systemic controls may not be fully effective or consistently followed. (correct)
  • To minimize the cost associated with implementing more effective control measures.
  • To simplify training requirements for healthcare staff by focusing on individual protection rather than systemic changes.
  • To reduce the administrative burden of enforcing stricter engineering and administrative controls.

Which of the following scenarios BEST exemplifies the application of 'primordial prevention' in the context of healthcare-associated infections?

<p>Lobbying for policies that limit the use of antibiotics in animal agriculture to reduce the overall burden of antibiotic resistance. (D)</p> Signup and view all the answers

A hospital epidemiologist notices a rising rate of Clostridium difficile infections that is higher than the national average. What should be the epidemiologist's FIRST course of action?

<p>Collaborate with infection preventionists to investigate potential sources and modes of transmission. (A)</p> Signup and view all the answers

What is the PRIMARY challenge in applying the 'elimination' and 'substitution' levels of the hierarchy of controls when addressing infectious disease risks in a hospital setting?

<p>Ethical considerations related to patient care and the core functions of a hospital. (B)</p> Signup and view all the answers

In a scenario where a new, highly contagious pathogen emerges, which strategy would represent the MOST effective initial application of administrative controls in a hospital?

<p>Establishing clear protocols that dictate patient isolation procedures, visitor restrictions, and staff assignments. (C)</p> Signup and view all the answers

A patient is admitted with suspected community-acquired pneumonia. According to the principles discussed, which action demonstrates the application of 'quaternary prevention'?

<p>Carefully evaluating the necessity of hospitalization versus outpatient management to minimize the risk of healthcare-associated infections. (B)</p> Signup and view all the answers

Following a surgical site infection outbreak, an infection preventionist discovers that the central sterile supply department is not consistently following recommended sterilization protocols. Which action would be MOST effective in preventing future outbreaks related to this cause?

<p>Implementing mandatory retraining and competency assessments for all staff in the central sterile supply department, coupled with regular audits of sterilization processes. (B)</p> Signup and view all the answers

What is the MOST significant implication of classifying healthcare-associated infections (HAIs) as preventable events?

<p>Increased focus and resources should be directed toward implementing and improving infection control strategies. (B)</p> Signup and view all the answers

Flashcards

Hierarchy of Hazard Controls

A model used to control workplace hazards through elimination, substitution, engineering controls, administrative controls, and PPE.

Engineering Controls in Healthcare

Using ventilation systems (e.g., negative pressure rooms) to prevent infectious air from escaping.

Administrative Controls in Infection Prevention

Practices like hand washing policies that minimize exposure to infectious material.

Personal Protective Equipment (PPE)

Includes masks, gloves, and gowns to minimize risks for healthcare workers.

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Infection Preventionists

Healthcare workers trained to identify outbreaks and promote infection control practices.

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Environmental Service Workers (EVS)

Workers responsible for cleaning healthcare settings, crucial for infection prevention.

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Primary Prevention

In Public Health, efforts to prevent the development of disease.

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Secondary Prevention

In Public Health, efforts to find disease early, often before symptoms.

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Tertiary Prevention

In Public Health, treating disease to prevent complications.

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Primordial Prevention

In Public Health, eliminating risk factors in the environment.

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Study Notes

Hierarchy of Hazard Controls

  • Model utilized with CC, NIOSH, and OSHA to manage workplace hazards.
  • Visualized as a reverse pyramid, where ascending the pyramid indicates greater hazard removal.

Levels of Control

  • Elimination: Removing the hazard entirely for maximum safety.
  • Substitution: Replacing hazardous elements with safer alternatives.
  • Engineering Controls: Isolating individuals from hazards using physical barriers or modifications.
  • Administrative Controls: Implementing policies to minimize hazard exposure.
  • PPE: Protective equipment as a last resort to protect workers when other controls are not enough.

Application in Healthcare

  • Hierarchy of controls applies to hospital settings to reduce risks like slips, trips, and occupational hazards.

Infection Control in Healthcare

  • Infectious materials from patients are the primary hazard.
  • Elimination and substitution are often not viable due to the nature of healthcare work.
  • Ventilation systems, such as negative pressure rooms, are engineering controls used to prevent air from escaping.
  • Hand washing policies are examples of administrative controls.
  • Masks, gloves, and gowns all represent PPE and are critical for healthcare worker safety.

Focus on PPE

  • Engineering and administrative controls prevent systematic hazards requiring healthcare providers to be responsible for PPE.
  • Subsequent videos cover infection prevention, infectious hazards, and the use of PPE.

Key Roles

  • Infection Preventionists: Experts to identify infection outbreaks, promote best practices, and reduce infections.
  • Environmental Service Workers: Clean healthcare settings, playing a critical role in infection prevention.
  • Hospital Epidemiologists: Monitor infection rates and to strategize solutions
  • Industrial and Occupational Hygienists: Occupational safety and hazard reduction in healthcare and other industries.

Prevention Levels in Public Health

  • Primary: Prevents disease from developing.
  • Secondary: Detects diseases early before symptoms appear.
  • Tertiary: Treats diseases to avoid complications.
  • Primordial: Eliminates environmental risk factors to prevent diseases.
  • Quaternary: Avoids medical interventions where harms outweigh benefits, example is by avoiding unnecessary antibiotics.

Healthcare-Associated Infections (HAIs)

  • Infections in patients during or after healthcare.
  • One in 31 patients has at least one HAI.
  • Important because they affect the management of the condition.
  • Nationwide strategies to combat HAIs have proven effective by reducing infections.
  • Focus should be to make hospitals safer and preventing infections, rather than avoiding hospitalization.

Examples of HAIs

  • Diseases caused by bacteria, such as methicillin-resistant Staphylococcus aureus and Clostridium difficile.
  • Strict adherence to these precautions is essential to minimize infection risks.

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