Chapter 22: Medical and Surgical Asepsis

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College Clinical Medical Assisting (Clinical Medical Assisting) Flashcards on Chapter 22: Medical and Surgical Asepsis, created by La'Shae on 08/05/2015.
La'Shae
Flashcards by La'Shae, updated more than 1 year ago
La'Shae
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Question Answer
Asepsis free of germs
Aseptic Technique the effort that is employed to reduce the spread of microorganisms
Medical Asepsis procedures that are used to greatly decrease the number of microorganisms and prevent them from being passed from one person to another
Surgical Asepsis procedures and practices used destroy and eliminate all microorganisms from instruments and other objects before they have a chance to enter an individual
Soaking Instruments -some manufacturers suggest submersing the instruments in distilled water
Sanitizing Instruments -scrubbing used items with a special soap -usually have a pH close to 7
Ultrasonic Cleaner a device that cleans instruments by transmitting sound waves through a cleaning fluid
Lubricating Instruments -suggested to place instruments into a lubricating solution after the cleansing process. "milking"
Advantages to Lubricating Instruments -dissolving organic debris on the box locks -inhibiting the instrument from becoming discolored or rusted -providing a protective coating
Disinfection rocess of using special liquids or pasteurization techniques to destroy or nhibit the growth of most microorganisms
Critical Items -devices that will penetrate or enter sterile tissue -require complete sterilization and are usually cleaned by autoclaving or gas sterilization -if the item is heat sensitive or will not fit into an autoclave or gas oven may be sterilized by cold sterilization
Semicritical Items -may come into contact with nonintact skin or mucous membranes, does not penetrate -Ex: Endoscopes -most require the use of a high-level disinfectant, but few maybe disinfected with an intermediate level disinfectant
Noncritical Items instruments or devices that only touch intact skin, they do not come into contact with mucous membranes or nonintact skin. -noncritical items may be disinfected with a low level disinfecting solution Ex: stethoscopes, blood pressure cuffs, bed rails, door knobs
Microorganisms Most Resistant to Least Restraint -bacterial spores -mycobacteria -nonlipid or small viruses -fungi -vegetative bacteria -lipid or medium sized viruses
Low level Disinfectant only used with noncritical devices -kills most types of bacteria and some viruses will not kill mycobacteria or bacterial spores
Intermediate level Disinfectant may be used on noncritical and spme semicritical inactivates vegetative bacteria, mycobacterium, and most fungi but does not kill spores
High level Disinfectant may be used on semicritical items can kill everything but high levels of bacterial spores
Sterilant should be used on critical items can kill everything "cold sterilization"
Shelf Life the amount of time the solution may be stored unopened before losing its potency (exp date on container)
Reuse Life the amount of time the solution may be used once it has been prepared or activiated
Open container Life the amount of time the disinfecting solution may be used once the bottle has been opened
Dry Heat Sterilization not as effective as wet heat and requires more time 338F for 60 mins will not affect spores
Gas Sterilization Ethylene oxide, EtO kill all forms must have specialized training
Chemical Sterilants high level disinfecting solutions that have the capability to become a sterilant under the right conditions
Autoclaving steam pressure. like a pressure cooker 15 lbs of pressure per square inch and heat up to 250F-254F
Sterilization Wraps must be permeable to steam, but still provide an effective barrier
Autoclave or Sterilization Paper available in different sizes, can be disposable but expensive is opaque
Sterilization Cloth Wraps made of a woven or unwoven material thicker than autoclave paper are reusuable
Sterilization Pouches made of plastic or paper, or both each pouch has a sterilization indicator
Shelf Life of Sterile Items wrapped in sterilization paper or cloth: 30 days Wrapped after autoclaving with sterility maintenance covers: six months sterilization pouches: 6 months-year
General Length of Time items should bne Sterilized unwrapped items: 20 minutes Single wrapped items or items that are loosely wrapped: 30 minutes double wrapped items or items that are tightly wrapped: 40 minutes
Process Indicators distinguish whether an item has been processed or autoclaved. they change to a color for confirmation purposes Ex: autoclave tape
Internal Indicators and Integrators temperature, timing, and saturation of sterilant Internal indicators will demonstrate that the ideal temp was achieved both inside and outside the pack a mulitparameter indicator or internal integrator will indicate the temp, timing, and saturation of sterilant was achieved
Biological indicators checks all parameters including temp, timing, sterilant, and humidity
Sterilization Chain of Events -instrument must be properly sanitized -instrument must be wrapped -instrument must be properly loaded -instrument must be sterilized -instrument must be stored correctly
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