NCL (MP) Nursing Officer - 2020
Applied Microbiology & Infection control
Easy

For infection prevention what will you do?

Appeared in: NCL (MP) Nursing Officer - 2020

Explanation

  • Handwashing is the cornerstone and single most effective measure to prevent the spread of healthcare-associated infections (HAIs).
  • It works by physically removing or inactivating microorganisms from the hands of healthcare workers, thereby breaking the chain of transmission between patients, staff, and the environment.
  • The World Health Organization's (WHO) "5 Moments for Hand Hygiene" provides a clear, evidence-based framework for when hand hygiene must be performed to maximize patient safety.

Why Other Options Were Wrong

  • Option A: Providing a clean cloth is an element of patient comfort and basic hygiene but does not effectively interrupt the primary mode of pathogen transmission, which is via the hands of healthcare workers.
  • Option B: Changing bed sheets is an environmental cleaning measure. While important for hygiene and reducing microbial load in the patient's environment, it is secondary to hand hygiene in preventing direct transmission. Sheets should be changed when soiled, not necessarily daily as a primary infection control strategy.
  • Option D: Antibiotics are therapeutic agents for treating infections, not for routine prevention. Widespread prophylactic use leads to the development of antibiotic-resistant organisms, which is a major public health crisis.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing Primary measures for infection prevention in a healthcare setting helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Failure to perform adequate hand hygiene is a leading cause of preventable HAIs, which result in increased patient morbidity, mortality, length of stay, and healthcare costs.
  • Nurses are at the forefront of infection control and must champion hand hygiene practices, serving as role models and educators for colleagues, patients, and their families.
  • What if? If the patient has a known Clostridioides difficile (C. diff) infection, handwashing with soap and water is mandatory instead of using an alcohol-based hand rub. This is because alcohol does not effectively kill C. diff spores, whereas the friction of washing with soap and water physically removes them.
How to Approach the Question
  • First, identify the core of the question: it asks for the most effective action for "infection prevention."
  • Evaluate each option based on its role and impact in the chain of infection.
  • Recognize that providing a clean cloth and changing bed sheets are related to environmental hygiene and patient comfort. While important, these actions are secondary to measures that break the direct chain of transmission.
  • Identify that antibiotics are a treatment for infections, not a routine preventive measure. Understand that their prophylactic use is limited due to the risk of antibiotic resistance.
  • Conclude that handwashing directly interrupts the most common mode of pathogen transmission in healthcare settings—the hands of healthcare workers. Therefore, it is the most critical and universally applicable intervention for infection prevention.
Concept Tested & Keywords
  • Concept Tested: Primary measures for infection prevention in a healthcare setting.
  • Stem keywords: infection prevention
  • Lead-in keywords: what will you do
  • Negative lead-in flag: false

Question ID

QAubJTLaUD3TrokEKqJ5if

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) pp. 27-29, 26-28

Practise the full NCL (MP) Nursing Officer - 2020

Attempt every question from this paper in a timed mock, then review the full solution for each one.