Nursing 104

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.

©2018

Achieve

Page 86

of 134