N104: Essentials of Nursing Care - Health Safety
N104: Essentials of Nursing Care – Health Safety Study Guide
Chain of infection:
•Ability to attach to skin or membranes •Ability to counter the immune system response •Production of toxins
Infectious Agent
•Human (healthcare team, friends, family, vistors) •Inanimate object (air, food, water) •Patient own normal flora •Insects/Animals
Source
•Blood •Emsis •Sputum •Drainage •Airborne •Contact •Droplet •Vector •Vehicle
Exit Portal
Transmission Mode
•Skin Breaks •Body Orifices •Tubes inserted by healthcare team (IV, NG tube, Catheters, etc.)
Entry Portal
•Compromised immune system
Host
6.2 Asepsis Asepsis is the state of being free from the disease-causing agents or preventing contact with them. There are two types of aseptic practices: medical and surgical. Medical Asepsis Medical asepsis is commonly referred to as “clean technique” and includes measures to control or reduce the number of pathogens in the environment. There are three commonly recognized techniques associated with medical asepsis.
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