ch 6/7 iahcsmm

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Author:
Jaimilyn
ID:
102322
Filename:
ch 6/7 iahcsmm
Updated:
2011-09-20 22:01:34
Tags:
surg tech
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Description:
infecion prevention and control, tools for cleaning
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  1. infection
    invasion of human body tissue by microorganisms which multiply and produce a reaction
  2. hand hygiene
    act of washing one's hands with soap and water or alcohol soultion
  3. PPE
    specialized clothing or equipment worn
  4. standard precautions
    method of using appropriate barriers to prevent trasmission of infectious organisms from contact with blood and all body fluids
  5. asepsis
    absence of microorganisms that cause disease
  6. aseptic tech.
    any activity or procedure that prevents infection or breaks the chain of infection
  7. asepsis (medical)
    procedures performed to reduce the number of microorganisms to minimize their spread
  8. asepsis (surgical)
    procedures performed to eliminate the presence of all microorganisms, and/or to prevent the introduction of microorgansms to an area
  9. conductivty (of water)
    a measurement of the ablility of wate to carry an electrical current
  10. ohm
    a unit of measurement that expresses te amountof resistance to the flow of an electric current
  11. deionization
    the process by which ions with an electrical charge are removed from water
  12. reverse osmosis
    the diffusion (flowing) of water through a semi-permeable membrane to eliminate impurities that it contains
  13. silicate
    a mineral commonly found in water that is derived from silca found in quartz and other components
  14. chloride
    a compound commonly found in water that is created when chlorine is combined with another element or radical
  15. tubidity
    occurs when water contains sediments or solids that, when stirred, make the water appear cloudy
  16. tap water
    water that has been treated and is acceptable for drinking
  17. microns
    unit of measurement; 1/1,000 or a millimeter or 1/25,000
  18. cation resin tank
    a tank into which untreated hard water flows, and in which sodium ions are exchanged for calcium and magnesium ions to produce soft water
  19. basic attire worn by central service techs
    • a facility-issued scrub uniform
    • hair covering that covers head and facial hair except eyebrows and eyelashes
    • shoes with non-skid soles
  20. attire for decontamination area
    • gloves
    • fluid resistant covering with sleeves
    • full face protection
    • shoe covers
  21. ...adopted the use of universal precautions as a major component of its blood borne pathogens
    OSHA
  22. decontaminaton room
    • 60-65 F
    • 30-60% humidity
    • 10 air exhanges per hr
  23. prep and pack
    • 68-73 F
    • 30-60% humidity
    • 10 air exchanges per hr
  24. clean/sterile storage
    • 75 F - or lower
    • less than 70% humidity
    • 4 air exchanges per hour
  25. what to wear in decontamination
    surgical scrubs and PPE
  26. clean/sterile attire
    surgical scrubs and hair covering
  27. OR attire
    surgical scrubs, hair covering, masks may be required
  28. Non-restricted attire
    street clothes
  29. biohazard
    may be contaminated, ppe is required
  30. semi-restricted
    • peripheral support areas to the OR, central service (clean and sterile storage), access corridors to OR
    • surgical scrubs and hair coverings
  31. restricted
    • area where sterile procedures are performed
    • surgical scrubs, hair coverings, and masks required
  32. unrestricted
    • normal traffic areas
    • street clothes
  33. work area cleanliness
    • floors wet mopped cleaned daily
    • work tables cleaned daily
    • light fixtures at least every 6 months
  34. 2 types of aseptic tech.
    • medical asepsis (clean tech)-reduce number of microorganisms ex: hand washing and decon equip
    • surgical asepsis (sterile tech)-eliminate the presence of microorganisms
  35. 5 principles of asepsis
    • know what is dirty
    • knowwhat is clean
    • know what is sterile
    • keep the 3 conditions
    • remedy contamination immediately
  36. water from any source typically contains
    • minerals
    • dissolved solids
    • particles
    • gases
    • oranic and non-organic chemicals
  37. water used as a final rinse in any cleaning process should be....
    purified to reduce the eliments found in water
  38. factors that impact water
    • conductvity
    • total dissolved solids
    • acidity or alkalinity
    • chlorides
    • other particales
  39. todays technology provides water that is...
    resistant to a min of 300,000 ohms
  40. total dissolved solids include..
    • iron
    • silicates
    • calcium
    • magnesium
  41. hard water...(dissolved stains)
    stains (water spot), bluish or rainbow-color and powdery stins result in dissolved stains
  42. bluish or rainbow stains are caused by...
    iron and silicates in the water
  43. powdery stains or chalky build-ups on surfaces of cleaning machines result from...
    • calcium
    • magnesium
  44. silicates are natural minerals found in....
    • soil and therefore found in water.
    • silicate level of tap water is usually 400 parts per million (ppm) or more
  45. it is important to conduct daily tests for a few weeks to assure the silicate level is consistently at...
    100 ppm or less
  46. purified water should have a pH level of...
    6.5-7.5
  47. chlorides are aways found in...
    • treated water
    • most tap water has a chloride concentration of 400 ppm or more the goal: 100 ppm or less.
  48. the size of filters to be used is also important... the filter size is measured in..
    • microns
    • water purification usually involves a pre-and post-filter
  49. granular activated charcoal (GAC) is used to....
    • remove chlorides in water
    • ex: fresh water fish aquariums
  50. an acceptable amount of chlorides in the final water is ...
    100 ppm or less
  51. softeners are used to remove ...
    • the calcium and magnesium in the water
    • word "softened" describes the result of the process
    • process involves use of cation resin tank
  52. distillation removes...
    • dissolved sollids
    • gasses
    • organics
    • along with particles, bacteria, pyrogens, and endotoxins
  53. deionization systems are used for heating/cooling therapy units, and for...
    the final rinse water in anual and automated cleaning processes
  54. deionization process does remove....
    • dissolved solids and gases
    • provides for little or no removal of organics, particles, bacteria, pyrogens, and endotoxins, this is why filters must be part of the system
  55. reverse osmosis systems require the water to be treated by (in sequence) pre-filter, softener, GAC, and another filter
    ..... n/a
  56. reverse osmosis can remove a large percentage of...
    • dissolved solids and organics
    • capable of removing all particles, bacteria, pyrogens, and endotoxins
    • removes LITTLE if any gases
  57. diff types of chemicals used in cleaning process include:
    • enzymatic products
    • detergents
    • descalers
    • pre-soaks
  58. enzyme products contain protease enzyymes that are especially useful in removing...
    proteins such as dried on blood and tissue
  59. enzymatic solutions should not exceed....
    • temperatures of 140 degrees F
    • because the enzymes become inactive
    • multi-enzymatic products contain protease, lipase, and amylase
  60. detergents do not....
    kill microorganisms, however, germicidal detergents do have this capability
  61. descalers
    are not typically required if the water quality and soap/detergent mixtures are correct and if equipment is operating properly
  62. manual cleanes
    main funciton is to remove soil, not kill microorganisms
  63. manufacturer's labels and MSDS materias always indicate that ...
    city, county, and state laws concerning disposal should be followed
  64. brushes used for cleaning made of..
    nylon bristles
  65. brushing should be done under water by ...
    following the grain to prevent the formation of aerosols
  66. wash cloths are made of
    • textiles
    • some have lint and others are low-or-lint free
  67. sponges can be used to ...
    • clean basins
    • containers
    • trays
    • they should be replaced daily to assure they will not become a source of contamintion
    • their structure makes them impossible to completely clean and sterilize
  68. each year, approximately_____pts develop healthcare-associated infection
    2 million
  69. to protect themselves from splashes and spills, central service technicians assigned to the decontaminationarea should wear:
    fluid-resistant gowns
  70. the main theory of standard precautions is that:
    pts may pose a risk of infection whether they have been diagnoed with an infectious disease or not
  71. requirements of OSHA bloodborne pathogen standard
    • provide hep B vaccine to employees at no cost
    • observe standard precautions
    • use engineering controls to prevent biohazard exposures
  72. absence of microorganisms that cause disease is called:
    asepsis
  73. what color should biohazard labels/signs be
    red/orange
  74. traffic control/dress code requirements applies to the OR
    restricted
  75. which of the following is a system used to treat the final rinse water used for cleaning?
    deionazation
  76. blush or rainbow-type stains are caused by ____ in water
    iron and silicates
  77. ideal level of silicates in water used for cleaning is ____ ppm or less
    100
  78. which of the following can be removed from water when a revese osmosis process is used??
    • bacteria
    • pyrogens
    • endotoxins
  79. kills microorganisms
    germicidal detergents
  80. main purpose of manual cleaners is to
    remove soil

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