Cause of Infection Outcome 1

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CU 254 Causes and spread of infections

1.1Identify the difference between bacteria,viruses,fungi and parasites. Bacteria are organisims made up of one cell.They multiply by themselves. Bacteria is everywhere inside and outside our bodies.Some are mostly harmless and some can be useful.

Viruses.
They are too small to see even by the eye.
Cannot not muliply on their own so there fore need an host.
They are capable of latching on to cells.
We are often open to attack by them.

Fungi
Comes in the forms of mushrooms and toadstools and yeast.
A common yeast infection is normally thrush caused by canidida albician.

Parasites
An organism that lives on another organism.

1.2 Identify common illnesses and infections caused by bacteria viruses fungi and parasites. Viruses
common cold,flu mumps and measles.

Bacteria
salmonella(food poisioning)
e.coli causes abdominal pain,cramps and diarreha
Staphylococus found on skin
Mrsa responsible for many infections.

Parasites
Malaria mainly in hot countries.

Fungi
Atheletes foot.

1.3 Describe what is meant by infection and colonisation
Infection is caused by bad bacteria which does not belong there Colonisation is when it inhabits a specific body part but no signs and symptons of infection they only cause infection if they move from one part of the body to another or person to person.

1.4 Explain what is meant by systemic infection and localised infection Systemic infection is when it effects the whole body travelling ie through the blood or a gland Local is when it is maintained in just one area.

1.5.Identify poor practice that may lead to the spread of infection Poor staff training
Not washing hands properly
Not washing them at all
Poor infection control

2.1 Explain the conditions needed for the growth of micro organisims Most bacteria grows in the dark where it is warm and moist
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