SGPGI Nursing Officer-2022
Applied Microbiology & Infection control
Medium

Which aspect is most important in a hospital to prevent cross-infection?

Appeared in: SGPGI Nursing Officer-2022

Explanation

  • Hand hygiene is the most effective basic technique in preventing and controlling the transmission of infection.
  • It mechanically removes microorganisms from the hands, which are the primary source of infection transmission in healthcare settings.
  • The World Health Organization (WHO) has established the '5 Moments for Hand Hygiene' as a global standard, underscoring its fundamental importance.
  • While PPE is essential, its effectiveness depends on correct use, which includes performing hand hygiene before and after.

Why Other Options Were Wrong

  • Option B: A PPE kit (including gowns, gloves, etc.) provides a barrier but does not eliminate microbes. Hand hygiene is still required before putting on and after removing PPE to prevent contamination.
  • Option C: A mask is a component of PPE that is crucial for preventing the spread of respiratory infections (droplet or airborne). However, it does not prevent transmission through contact, which is a very common route for many hospital-acquired infections.
  • Option D: Direct contact is a mode of transmission, not a method of prevention. The question asks for a preventive aspect. Hand washing is the key action to break the chain of infection that occurs via direct contact.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing The primary method for preventing cross-infection in a hospital setting helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Effective hand hygiene is the cornerstone of Standard Precautions and is critical in reducing Healthcare-Associated Infections (HAIs), which are a major cause of patient morbidity and mortality.
  • Nurses are responsible for not only practicing meticulous hand hygiene but also for educating patients, families, and other healthcare workers on its importance.
  • What if? If a patient has an infection with spore-forming organisms like Clostridioides difficile, the most important aspect changes slightly. In this case, vigorous hand washing with soap and water is mandatory because alcohol-based hand rubs are not effective against spores. Hand washing remains the key, but the specific method is critical.
How to Approach the Question
  • First, analyze the question to identify the core concept. The question asks for the 'most important' aspect, indicating this is a priority-based question.
  • Evaluate each option's role in infection control. Ask yourself, 'Is this a preventive action or something else?'
  • Recognize that 'Direct Contact' is a mode of transmission, not a prevention strategy, and can be eliminated as a plausible answer.
  • Compare the remaining preventive actions: Hand washing, PPE Kit, and Mask. Consider which one is the most fundamental and has the broadest impact on preventing all types of cross-infection.
  • Recall foundational nursing principles. The principle that hand hygiene is the single most effective way to prevent infection is a cornerstone of nursing education.
  • Select the option that represents this foundational principle.
Concept Tested & Keywords
  • Concept Tested: The primary method for preventing cross-infection in a hospital setting.
  • Stem keywords: hospital, prevent, cross-infection
  • Lead-in keywords: most important

Question ID

QnbqeGMVqGhmtSrtZFUnUB

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 2 p. 234-236

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1621-1623

E6 Nursing Vital Signs p. 37-39

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Which aspect is most important in a hospital to prevent cross-infection? - SGPGI Nursing Officer-2022 | NPrep