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ccctc test 12 asepti
defenitions for test 12 aseptic techniques
| Question | Answer |
|---|---|
| certain procedures carried out during the preparation of a sterile product in order to minimize contamination | aseptic techniques |
| student note for aseptic techniques | nosocomial simply means " taking place in a hospital". Nosocomial infection is "Hospital Borne" infections. |
| what are the 3 most common sources of contamination when compounding | the person compounding, contaminated equipment, and contaminated raw materials |
| what is the best way to avoid contamination when compounding | proper attitudes and strict adherence to aseptic techniques |
| what do aseptic techniques require | control of the environment |
| these are designed to reduce the risk of airborne contamination during preparation of sterile products | laminar flow hood, laminar airflow workbench (LAFW), vertical flow hood |
| what do laminar flow equipment items do to reduce the risk of contamination | provide a constant flow of air to the controlled area |
| what is special about the air from laminar flow equipment | air is filtered |
| what does hepa stand for | high efficiency particulate air filters |
| what do hepa filters do | remove 99.97% of particulates and airborne microorganisms 0.3 microns or larger |
| do hepa filters need replaced | yes they need replaced to maintain the environment |
| how often do hepa filters require regular maintenance | every 6 months |
| what direction does the air flow in a horizontal hood | air flows horizontally across the work area |
| what direction does the air flow in a vertical hood (biological safety cabinets | air flows vertical (downward) onto the surface of the work area |
| what are the vertical and horizontal air flow hoods used in | they are used in the preparation of antineoplastic and other potentially hazardous products |
| where does the air go from a vertical or horizontal hood | some of the air is recirculated and filtered again; the remainder is vented to the outside |
| why are horizontal and vertical hoods used | they are safer for the preparer. air is not blowing directly at them, avoiding the possibility of carrying potentially hazardous particles or small droplets |
| what are the parts of a syringe | plunger; barrel; tip for needle attachment (leur-lock); graduated markings for measurement; top collar; flat end (lip) |
| what is the range of size for a syringe | 1 ml to 100 ml |
| what is the general rule for syringe sizing | always use a syringe closest to the amount of fluid that needs to be measured. |
| why should you follow this general rule for syringe sizing | this method produces a more accurate measurement |
| what are the 2 types of syringes | glass and plastic |
| what is the most commonly used type of syringe | plastic syringes |
| what goes into choosing the type of syringe for a medication | compatability and cost are both factors that are considered when deciding what type will be used. |
| what are the parts of a needle | shaft; hub; beveled tip; beveled heel; bevel |
| what is the gauge of a needles | the outside diameter of the needle |
| how do you tell the size of the needle | the gauge of the needle is the size of the needle |
| what does the gauge number mean in reference to a needle's size | the larger the gauge number, the smaller the diameter; the smaller the gauge number, the larger the diameter |
| how is length measured for needles | the length of a needle is always measured in inches |
| what does aseptic technique mean | the procedure that is performed under sterile conditions. |
| what is the largest example of aseptic technique | hospital operating theatre |
| prior to compounding what should you do | remove rings, watches and bracelets because they are ideal for storing bacteria |
| what should you use to wash your hands and how | wash hands and forearms to the elbows with appropriate germicidal agent. this must be done for 30 seconds |
| how long should a laminar flow hood be running prior to use | atleast 30 minutes |
| how often should disinfection be done during your shift | this should be done atleast at the beginning and end of each shift, hourly during operation, and after spills or known contamination. |
| how should you disinfect the laminar flow hood | use parallel sweeping motions from the back of the hood to the front, not circular motions |
| what should you avoid doing while working in a laminar flow hood | avoid working over open containers or preparations to prevent contaminates falling into the prep area |
| what should you do with non-essential items while working in a laminar flow hood | they should be left out of the work area. do not introduce items that are not essential for the preparation process into the hood( i.e. paper, pencils, etc.) |
| where should you work in a laminar flow hood | atleast 6 inches within the hood for maximum benefit |
| avoid working close to the outer edge of the hood | the product may be contaminated |
| where should needles be disposed of | in a sharps container |
| what kind of waste disposal should be accessible | hazardous waste buckets |
| what are created behind objects in the airflow | dead spaces |
| what should never be placed in dead spaces | areas on products that must remain sterile should never be placed in dead spaces |
| what should a sterile product preparation room be free of | dust, especially cardboard as a source of particles. |
| what should the sterile room location be kept away from | common routes of personnel traffic (high traffic areas) |
| can laminar flow hoods guarantee a sterile product | no, while laminar flow hoods prevent airborne contamination, they do not guarantee a sterile product |
| what can you do to avoid contamination in the laminar flow hood | use strict aseptic techniques to avoid introducing contaminates |
Created by:
kfpolchies
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