Which of the following is a key component of standard precautions?

NHM MP Staff Nurse - 2015

Applied Microbiology & Infection control

Easy

Appeared in: NHM MP Staff Nurse - 2015

Explanation

Hand hygiene is the single most important and effective measure to prevent the transmission of infections in healthcare settings.
Standard Precautions are based on the principle that all blood, body fluids, secretions, excretions (except sweat), non-intact skin, and mucous membranes may contain transmissible infectious agents.
Hand hygiene is performed for all patients, regardless of their diagnosis or presumed infection status, making it the cornerstone of Standard Precautions.
It includes washing hands with soap and water or using an alcohol-based hand rub before and after every patient contact.

Option A: Administering prophylactic antibiotics is a pharmacological intervention, not a universal infection control practice. It is used for specific indications, such as preventing surgical site infections.
Option B: Placing a patient in a negative-pressure room is a requirement for Airborne Precautions, which is a type of Transmission-Based Precaution.
Option D: Restricting all visitors is not a component of standard precautions. It is a specific measure taken based on a patient's condition or a facility's policy during an outbreak.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Standard Precautions in Infection Control as background academic context rather than a clinical decision trigger.
Consistent practice of hand hygiene is the simplest and most effective way a nurse can break the chain of infection and prevent healthcare-associated infections (HAIs).
Failure to adhere to standard precautions, especially hand hygiene, is a major contributor to the spread of multidrug-resistant organisms (MDROs) like MRSA and VRE in healthcare facilities.
What if? If a patient is admitted with a cough and fever and has a history of recent travel to a region with endemic tuberculosis, the nurse should immediately implement both Standard and Airborne Precautions while awaiting a definitive diagnosis. This means wearing an N95 respirator and placing the patient in a negative-pressure room.

How to Approach the Question

First, identify the core concept of the question, which is 'standard precautions'.
Recall the definition: Standard precautions are the minimum infection prevention practices that apply to all patient care, regardless of suspected or confirmed infection status.
Evaluate each option against this definition.
Option A (antibiotics) is a treatment, not a universal precaution.
Option B (negative-pressure room) is for a specific, higher level of precaution (Airborne).
Option D (restricting visitors) is a situational measure, not a standard one for all patients.

Concept Tested & Keywords

Qr9Sg91TdM0HGXgB_qjpx7

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

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

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