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

Visual explanation — Related Visual
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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