Topic 7 - Infection Control Flashcards
Define disease
Any abnormality, disorder, injury or malfunction in an organism
What is a pathogen?
Microorganism capable of causing disease
Name 3 notifiable diseases in NSW
Hendra virus
Anthrax
Avian influenza
Describe the chain of infection
Pathogenic organism => reservoir =>portal of exit =>mode of transmission (airborne, droplet, contact, vector) =>portal of entry =>host susceptibilty
List some common animal viruses
Dogs - parvo
Cats -calicivirus
Horse -strangles
List some methods for breaking the chain of infection
ISO PPE Vaccination Parasite control Good health Lower stress Hand hygiene Hygiene standards (cleaning methods etc)
Define cleaning
removing dirt
Define Disinfection
removal of most disease causing microorganisms on inanimate objects
Define Antisepsis
removal of most disease causing microorganisms from live tissue
Define asepsis
Destruction of all disease causing mircoorganisms
List some nonliving/noninfectious causes of disease
genetic, nutritional, stress-induced (psychological), hormonal, metabolic, poisonings, cancers and trauma.
List some portal of exits
Nose Mouth Blood or pus Urine Rectum
What is a vector?
A vector is a parasite that spreads microscopic pathogens from one host organism to another
What is a fomite?
A fomite is an inanimate object that has been contaminated eg with a secretion or faeces, that an animal comes in contact with
Chlorhexidine, Povidone iodine, Cetrimide are disinfectants. T or F?
FALSE. They are antiseptics