What is asepsis?
The absence of illness-producing microorganisms.
What is medical asepsis?
Practices that reduce the number, growth, and spread of microorganisms (clean technique).
What is surgical asepsis?
Practices that eliminate all microorganisms and prevent contamination (sterile technique).
Which tasks require medical asepsis?
Oral medications, NG tube care, personal hygiene, routine nursing care.
Which tasks require surgical asepsis?
Sterile dressing changes, urinary catheter insertion, parenteral medications.
What is the most important behavior for preventing infection?
Hand hygiene.
What are the three components of handwashing?
Soap, running water, and friction.
When must soap and water be used instead of alcohol-based hand rub?
When hands are visibly soiled, after body fluids, before eating, after restroom use, and with C. difficile.
Why is alcohol-based hand rub ineffective against spores?
Alcohol does not destroy spore-forming organisms.
When should hand hygiene be performed?
Before and after every client contact and after removing gloves.
How long should routine handwashing last?
At least 15 seconds.
How long should handwashing last when hands are heavily soiled?
Up to 2 minutes.
Why should warm water be used instead of hot water?
Hot water increases skin irritation and dryness.
How should faucets be turned off after handwashing?
Using a clean, dry paper towel.
When should alcohol-based hand rub be used?
When hands are not visibly soiled.
Why must latex allergies be assessed before aseptic procedures?
Latex exposure can cause severe allergic reactions.
What gloves are commonly used to avoid latex reactions?
Non-latex (nitrile) gloves.
What is respiratory hygiene?
Covering mouth and nose, disposing tissues, masking, and hand hygiene.
What distance should be maintained from a coughing client?
At least 3 feet.
Why should jewelry be removed during patient care?
Jewelry harbors microorganisms.
Why are artificial nails discouraged in healthcare?
They harbor microorganisms and increase infection risk.
What is the purpose of PPE?
To prevent spread of microorganisms.
Why should items never be placed on the floor?
The floor is grossly contaminated.
Why should linens not be shaken?
Shaking spreads microorganisms into the air.