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Infection Prevention
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6 Element that must be present for infection to occur.
Infectious agent
Resevior
Portal of exit from resevior
Mode of transmission
Portal of entry to host
Susceptible host
A place where a pathogen can survive but may or may not be able to multiply.
Resevior
6 Things required for an organism to survive.
Food
Oxygen
Water
Temp
pH
Light
6 Types of Portals of Exit
Skin
Respiratory tract
Urinatry tract
GI tract
Reproductive tract
Blood
Three types of defnce against infection.
Normal flora
Body systems defence
Inflammatory response
This occurs when broad-spectrum anitbiotics eliminate normal flore, not just those causing infection, reducing the body's defenses.
Suprainfection
3 things that can trigger an inflammatory response
Physical
Chemical
Microorganisms
3 Steps to the inflammatory response
Cellular response
Formation of exudates
Tissue repair
These WBC are the first line of defence from microorganisms
Neutrophils
Process that involves destruction and absorption of bacteria
Phagocytosis
These are the 2 WBC that are specialized in phagocytosis
Neutrophils
Monocytes
The process in which the body increases the number of circulating WBC in response to WBC leaving the blood vessels.
Leukocytosis
An HAI acuired from a diagnostic procedure
Iatrogenic infection
An HAI acquired from surgery
Exogenous Infection
An HAI acquired when part of the clients normal flora becomes altered and an overgrowth results.
Endogenous Infection
Range for a normal WBC count
5000-10000/mm3
Percent of WBC that are Neutrophils
55-70%
Percent of WBC that are Lymphocytes
20-40%
Percent of WBC that are Monocytes
5-10%
Percent of WBC that are Eosinophils
1-4%
Percent of WBC that are Basophils
0.5-1.5%
Author
Samilou
ID
71119
Card Set
Infection Prevention
Description
Chapter 34
Updated
2011-03-06T23:41:45Z
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