Which one of the following is TRUE about the principles of surgical asepsis?

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2019

Explanation

This statement represents a core, non-negotiable rule of sterile technique, often summarized as 'sterile touches sterile'.
Placing any non-sterile object (even a clean one) onto a sterile field immediately contaminates the entire field.
This principle ensures that no microorganisms are introduced into an open wound or sterile body cavity during a procedure.
It guides the nurse in handling sterile supplies, such as using sterile forceps or sterile gloved hands to arrange items on the field.

Option A: This is physically incorrect. Fluids flow in the direction of gravity.
Option B: The outer 1-inch (2.5 cm) border of a sterile drape is always considered contaminated.
Option C: Air contains microscopic dust and microbes that can settle on a surface, contaminating it over time.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Principles of Surgical Asepsis as background academic context rather than a clinical decision trigger.
Strict adherence to surgical asepsis is the most important factor in preventing Surgical Site Infections (SSIs), which are a major cause of patient morbidity and increased healthcare costs.
Nurses are directly responsible for establishing and maintaining the sterile field during many bedside procedures, including urinary catheter insertion, central line dressing changes, and complex wound care.
A break in sterile technique requires immediate correction to protect the patient. This may involve replacing contaminated items or re-establishing the entire sterile field.

How to Approach the Question

First, identify the core concept of the question, which is 'surgical asepsis'.
Note that the question asks for the 'TRUE' statement. This means three of the options will be false statements about sterile technique.
Evaluate each option against the fundamental principles of asepsis that you have learned.
Recall that fluids flow with gravity, not against it. This eliminates option A.
Remember that the edges of a sterile field are considered a 'buffer zone' and are unsterile. This eliminates option B.
Consider the environment. Air is not sterile and contains microorganisms. This eliminates option C.

Concept Tested & Keywords

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E6 Nursing Fundamentals Potter Perry 12e Part 2 p. 243-245

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