Chain of Infection and Infection Control pt 2

These flashcards cover key concepts related to the chain of infection, infection control practices, and prevention methods.

Infectious Agent

A pathogen, such as bacteria, virus, parasite, or fungus, that causes disease in a host.

Source

The reservoir or host from which the infectious agent originates, which can be an animal, insect, inanimate object, or human.

Portal of Exit

The means by which the infectious agent leaves the source, such as through sneezing, coughing, vomiting, or other bodily fluids.

Mode of Transmission

The method by which the infectious agent is transmitted to the next host, which can occur through contact, airborne particles, contaminated food or water, droplets, or vectors.

Portal of Entry

The route through which the infectious agent enters the new host, such as through the respiratory tract, GI tract, or broken skin.

Susceptible Host

An individual who is at increased risk of infection due to factors such as age, health status, or compromised immune response.

MRSA

Methicillin-resistant Staphylococcus aureus, a type of bacteria that has become resistant to many antibiotics.

Antibiotic Stewardship

Measures taken to promote the appropriate use of antibiotics to combat antibiotic resistance, including educating patients on the importance of completing prescribed antibiotic courses.

PPE (Personal Protective Equipment)

Gear worn to minimize exposure to hazards, including barriers against pathogens during patient care.

Medical Aseptic Technique

A clean technique focused on minimizing the presence of pathogens through practices like handwashing and disinfecting surfaces.

Surgical Aseptic Technique

A sterile technique that ensures no microbes are present, used in invasive procedures to prevent infection.

Chain of Infection

A series of six interconnected stages that, if all are present, allow for the spread of infection.