Health and Social Care

Topics: Bacteria, Infection, Virus Pages: 4 (684 words) Published: July 31, 2013
CU254 – Causes And Spread Of Infection.
Learning Outcome 1:
Infection| | Characteristics| Illnesses Caused|
| | | |
Bacteria| | * Unicellular.
* Found in almost all kinds of habitats.| * Impetigo.
* Salmonella.
*Tuberculosis.|
Viruses| | * Tiny organisms.
* Composed of DNA and protein.| * Attach themselves to other organisms. * Aids/HIV.
* Chicken Pox.
* Colds/Flu.|
Fungi| | * Plants.
* Contains chitis instead of cellulose.
* Used for food production.| * In penicillin.
* Thrush.
* Athletes Foot.|
Parasites| | * Micro-organisms that depend on other organisms to survive. | * Diarrhoea. * Vomiting.
* Dehydration. |

Infection is a noun used to describe the invasion of multiple microorganisms in a bodily part or tissue. This may cause a disease or illness through the diversion into cells and toxic mechanisms. Colonisation is a noun which describes the process of establishing an area. It includes the spreading of a species to a new, unharmed area. Infection can be in the body for a number of weeks, but depending on the type of infection will determine to which area of the body the infection controls. ‘Systemic infection’ is the spreading of the infection throughout the body. The infection is contained in the blood stream and carried to parts of the body; for example hepatitis. ‘Localised infection’ is when the disease is restricted to a specific part of the body; for example a mouth ulcer or conjunctivitis in the eye. Not washing hands…

Not washing hands…

Not wearing Personal Protective Equipment…
Not wearing Personal Protective Equipment…

Not cleaning surfaces or surroundings…
Not cleaning surfaces or surroundings…
Poor practices that lead to the spread of infection…
Poor practices that lead to the spread of infection…

Not cooking food properly…
Not cooking food properly…
Not covering nose/mouth when sneezing/coughing…
Not covering nose/mouth when sneezing/coughing…

Learning Outcome 2:
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