The first line of intervention for prevention of infection is?

Daman & Diu Staff Nurse - 2018

Applied Microbiology & Infection control

Easy

Appeared in: Daman & Diu Staff Nurse - 2018

Explanation

Hand hygiene (handwashing) is universally recognized as the most effective and primary measure to prevent and control the transmission of infections.
It works by mechanically removing pathogens from the hands, thereby breaking the chain of infection.
The Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) identify hand hygiene as the cornerstone of infection prevention.
Unlike other measures, it is a standard precaution applied to all patients in all settings, making it the true first line of intervention.

Option A: Wearing gloves is a barrier method and part of Standard Precautions, but it is supplementary to and does not replace hand hygiene. Hands can become contaminated during glove removal, and gloves do not provide 100% protection.
Option C: Antibiotics are therapeutic agents used to treat infections, not a primary preventive measure for all situations. Prophylactic use is reserved for specific high-risk scenarios (e.g., pre-surgery).
Option D: Assigning a private room is an isolation measure (part of Transmission-Based Precautions) used for patients with specific, highly transmissible pathogens. It is not a universal, first-line intervention for all patients.

Clinical Relevance

Nursing practice connection: Knowing Infection Control and Prevention helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Adherence to hand hygiene protocols is the single most important factor in reducing healthcare-associated infections (HAIs), which are a major cause of patient morbidity and mortality.
Failure to perform hand hygiene can lead to the transmission of multidrug-resistant organisms (MDROs) like MRSA and VRE between patients.
What if? If a patient has a known C. difficile infection, alcohol-based hand rubs are insufficient. The first-line intervention changes to vigorous handwashing with soap and water, as alcohol does not kill C. difficile spores.

How to Approach the Question

Identify the core concept: The question asks for the 'first line' of infection prevention, implying the most fundamental and universally applied action.
Analyze the options in terms of scope: Evaluate whether each intervention is a universal precaution or a specific, targeted action.
Handwashing is a universal standard precaution for everyone.
Wearing gloves, administering antibiotics, and using private rooms are all targeted interventions used in specific circumstances.
Conclude that the most basic, primary, and universal action is handwashing, making it the 'first line' of defense.

Concept Tested & Keywords

QE3YxCDbGW583eXPAvAHXf

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

E6 Medicine Davidson Principles Practice 24e p. 133-135

E6 Nursing Vital Signs p. 41-43