Infection Control flashcards |

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Two Attributes of pathogenic organisms required to produce disease:

1. The microbe must be able to metabolize and multiply in or on a host. (If it gets to our hands and we wash it off you should be good.)

2. If 1 is met, the pathogen must be able to resist the defenses of the host sufficiently to be able to replicate to the higher numbers required to produce the disease.

For Transmission of disease two things are important:

1. A vehicle of transmission must be available (i.e. airborne, blood borne)

2. Microbes must normally locate a cut, nick, or body opening for their transmissions. The mouth, nose, and eyes are particularly vulnerable because they are open membranous material.

What is the most common mode of transmission for disease?


The ear canal is made of what kind of cells?

external epithelium

If cells are epithelial, what does that mean?

a nick, cut or irritations is necessary to facilitate infection via the ear canal

Infection Control requires...

cleaning, disinfecting, and sterilizing

Steps for Infection Control

STEP 1: Cleaning- removing the gross contamination but not necessarily killing any germs.

STEP 2: Disinfection- means that you are killing germs

STEP 3: Sterilization- you are killing 100% of the vegetative microorganisms and their endospores. Microbes can convert to spores, which are harder to kill so the sterilization must kill these too--This would be to autoclave, or chemically kill with 2% glutaraldehyde, or heat.

What autoclave or chemical do we use for sterilization?

2% glutaraldehyde

soak items to be sterilized for 4-8 hrs; overnight is best

What needs to be sterilized?

Anything that touches blood or body fluids should be sterilized. Cerumen is not contaminated however, it does contain blood

OSHA Requirements for Infection Control

(A written Infection Control Plan)
-Implementation Protocols
-Exposure Classification
-Hepatitis B Vaccination Records
-Post exposure records

Implementation Protocols

Actual steps that will be take in your office to implement universal precautions

Exposure Classification

Each employee is classified on the basis of their potential exposure to blood and other infectious substances. The front office staff has no classification, so you need to take care of everything. How likely are you to be exposed?

Hepatitis B Vaccination Records

Employees who have the potential for encountering blood or other infectious substances should get Hep B - have you gotten yours? It is on your shoulders to let supervisors know

Annual Training Records

Each office is to conduct annual training in infection control and document it

Post exposure records

Office must document the treatment that has taken place and outcome following exposure.

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