AIIMS Delhi NO - 2018
Applied Microbiology & Infection control
Easy

What is the recommended hand washing time with soap and water according to WHO?

Appeared in: AIIMS Delhi NO - 2018

Explanation

  • The World Health Organization (WHO) specifies a duration of 40-60 seconds for the entire handwashing procedure using soap and water.
  • This timeframe allows for adequate time to wet hands, apply soap, lather and rub all surfaces of the hands and wrists, rinse, and dry thoroughly.
  • The goal is the mechanical removal of pathogens and transient microorganisms from the skin.
  • This is considered a fundamental and critical practice for preventing the spread of infections in healthcare settings.

Why Other Options Were Wrong

  • Option B: A duration of 10-15 seconds is insufficient to perform all the necessary steps of handwashing effectively, leading to incomplete removal of microorganisms.
  • Option C: A 2-minute duration is much longer than required for routine handwashing. This length of time is more appropriate for a surgical hand scrub.
  • Option D: Similar to the 2-minute option, 3 minutes is excessive for routine hand hygiene and is characteristic of a pre-operative surgical scrub, not standard handwashing.

Related Visual

step visual guide illustrating the WHOs recommended 11 steps for handwashing with soap and water, with timings indicated for each phase to total 40-60 seconds.
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Infection Control: WHO Hand Hygiene Guidelines as background academic context rather than a clinical decision trigger.
  • Hand hygiene is the single most effective measure to prevent healthcare-associated infections (HAIs), protecting both patients and healthcare workers.
  • Nurses have a critical role in not only adhering to hand hygiene protocols themselves but also in educating patients, families, and other staff members on its importance.
  • Adherence to the correct duration and technique is essential; cutting corners can lead to cross-contamination and outbreaks of infections like C. difficile or MRSA.
How to Approach the Question
  • First, identify the key components of the question: 'WHO', 'hand washing', 'soap and water', and 'time'.
  • This is a factual recall question that tests your knowledge of specific infection control guidelines.
  • Differentiate between guidelines for routine handwashing, alcohol-based hand rubs, and surgical scrubs. The question specifies soap and water.
  • Recall the specific time frame recommended by the WHO for the entire handwashing procedure.
  • Evaluate the options. Eliminate times that are too short (ineffective) or too long (associated with surgical scrubs).
Concept Tested & Keywords
  • Concept Tested: Infection Control: WHO Hand Hygiene Guidelines
  • Stem keywords: hand washing, soap and water, WHO, recommended time
  • Lead-in keywords: What is

Question ID

QFOvlWAnqPW4T7Z3-MvgzX

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 2 pp. 234-236, 249-251

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