NORCET 2 -2021 (Shift-2)
Applied Microbiology & Infection control (E5)
Easy

What are the best things to break the chain of infection?

Appeared in: NORCET 2 -2021 (Shift-2)

Explanation

  • Breaking the chain of infection involves interrupting the spread of pathogens at any of the six links in the chain.
  • All the options listed are valid and crucial infection control practices used in healthcare.
  • Handwashing is the most fundamental practice for preventing transmission.
  • Using gowns and gloves (PPE) is essential for standard, contact, and droplet precautions, creating a barrier against pathogens.
  • Since all three methods are effective strategies to break the chain of infection, the most comprehensive answer is 'All of the above'.

Why Other Options Were Wrong

  • Option A: This option is correct, but it is not the only correct answer. While handwashing is critically important, it is just one component of a comprehensive infection control strategy.
  • Option B: This option is a correct practice for specific situations (respiratory patients) under transmission-based precautions, but it is not the only method to break the chain of infection. Other measures like hand hygiene are also essential.
  • Option C: This option describes a key component of Standard Precautions, but it is incomplete. Hand hygiene must also be performed before and after glove use, and other PPE may be necessary depending on the situation.

Related Visual

Visual explanation — Related Visual
  • Visual 1: Diagram - A circular diagram illustrating the six links of the chain of infection: Infectious Agent, Reservoir, Portal of Exit, Mode of Transmission, Portal of Entry, and Susceptible Host. This helps visualize how infection spreads and where interventions can be applied.
  • Visual 2: Infographic - The WHO '5 Moments for Hand Hygiene' poster, showing the critical times healthcare workers must perform hand hygiene to prevent transmission.
  • Visual 3: Chart - A table showing different types of isolation precautions (Standard, Contact, Droplet, Airborne) and the required PPE for each.
Clinical Relevance
  • Nursing practice connection: Knowing Chain of Infection and Infection Control Measures helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Adherence to infection control principles is a core professional responsibility for all nurses to prevent healthcare-associated infections (HAIs), which are a major cause of patient morbidity and mortality.
  • Understanding when to apply Standard Precautions versus Transmission-Based Precautions (Contact, Droplet, Airborne) is critical for patient and staff safety.
  • What if? If a patient is diagnosed with Clostridioides difficile (C. diff), alcohol-based hand rubs are ineffective against its spores. In this case, the required action changes to vigorous handwashing with soap and water to physically remove the spores, in addition to using gowns and gloves (Contact Precautions).
How to Approach the Question
  • First, identify the core concept of the question, which is 'breaking the chain of infection'.
  • Analyze each option individually to determine if it is a valid infection control measure.
  • Option A (Hand wash) is a well-known, fundamental practice.
  • Option B (Gown and gloves for respiratory patient) is a standard application of transmission-based precautions.
  • Option C (Gloves for all patient before body touch) is part of standard precautions.
  • Recognize that all three options are correct and effective methods.
Concept Tested & Keywords
  • Concept Tested: Chain of Infection and Infection Control Measures
  • Stem keywords: chain of infection, break
  • Lead-in keywords: best things

Question ID

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