Unit 1 Flashcards
chain of infection
infectious agent, reservoir, portal of exit, means of transmission, portal of entry, susceptible host
example of infectious agent
bacteria, fungi, viruses and parasites
example of reservoir
humans, animals, insects, fomites and body fluids
how to break reservoir
disinfection and hand hygiene
example of portal of exit
nose, mouth, mucous membrane, specimen collection
how to break portal of exit
hand hygiene, standard precautions
examples of means of transmission
droplet, airborne, contact, vector and vehicle
how to break means of transmission
hand hygiene, ppe, patient isolation and standard precautionse
example of portal of entry
nose, mouth, skin, unsterile equipment and mucous membrane
how to break portal of entry
ppe, hand hygiene, standard precautions and sterile equipment
example of susceptible host
elderly, newborns, patients
how to break susceptible host
immunizations, patient isolation and healthy lifestyle
from an animal or insect bite
vector
ingestion of contaminated substance
vehicle
host touches the patient
direct contact