chapter 12 CNA

What is the most effective way to prevent the spread of infection?

Hand hygiene

Why is hand hygiene after using the toilet important?

It removes pathogens that can break the chain of infection

What is the best method to destroy all microbes?

Sterilization

Why is PPE used in healthcare settings?

To prevent contamination and infection spread

When is a gown considered contaminated?

Once it becomes wet

Why must PPE be removed in the correct order?

To prevent self-contamination

Why are gloves removed first when leaving an isolation room?

They are the most contaminated item

When must hands be washed instead of using hand sanitizer?

When hands are visibly soiled

When are alcohol-based hand rubs effective?

When hands are not visibly dirty

Why are fingernails high-risk areas?

Microbes collect under fingernails

Why is hand hygiene required after removing gloves?

Gloves may have microscopic tears or contamination

What does disinfection kill?

Most pathogens, but not spores

What do sanitization and antisepsis do?

Reduce microbes but do not eliminate all

Why are false nails and acrylics not allowed?

They harbor bacteria

Why is double-bagging used for isolation trash?

To prevent contamination spread

How can HAIs spread?

Contaminated hands, airborne droplets, dirty equipment

What helps minimize infection spread in healthcare?

Medical and surgical asepsis

What are the three types of transmission-based precautions?

Contact, droplet, airborne

What PPE is required for airborne precautions?

High-filtration respirator (N95)

Which disease requires airborne precautions?

Tuberculosis (TB)

What barrier methods protect healthcare workers?

Gloves, gowns, masks

What is a pandemic?

A disease that spreads worldwide

What is an epidemic?

A localized disease outbreak

Name examples of pandemic diseases.

COVID-19, smallpox, polio