215-3 infection control

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Author:
elevatedsound7
ID:
197378
Filename:
215-3 infection control
Updated:
2013-02-02 13:05:08
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infection control
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infection control
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  1. medical aspesis vs surgical
    • MEDICAL =
    • used to reduce # of microbes and prevent spreading
    • clean objects
    • disinection
    • SURGICAL =
    • used to eleminate ALL microbes and their spores
    • sterile technique (IV, cath placement, injection, sterile dressings)
    • sterilization
  2. when you hand wash of sterile technique
    elbows higher than hands
  3. clients who enter healthcare are at risk for nosocomial infections due to
    • lower resistance
    • increased exposure
    • invasive procedures
  4. order in which infection occurs
    • 1. infectious agent
    • 2. reservoir
    • 3. means of transmission
    • 4. susceptible host
    • 5. portal of exit
    • 6. portal of entry
  5. indirect contact is
    • contact by suscetible host with contaminated inanimate object
    • ie food poisoning and Hep B
  6. vectors are
    nonhuman carriers that transmit organisms from one host to another (mosquitos, ticks etc)
  7. standard precautions are
    • used in care of everyone
    • assume everyone is contaminated
    • applies to all body fluids except sweat
  8. transmission based precautions are
    • used in addition to standard
    • used for suspected infection
    • airborne, droplet, contact
  9. airborne precautions include
    • private room
    • negative air pressure 6-12 exchange's/hr
    • door closed
    • respirator
    • ie TB, chicken pox, Rubeola
  10. Droplet precautions include
    • transmission by large particles
    • private room
    • door may be open
    • surgical mask within 3 ft of pt
    • ie Rubella, mups, diptheris, flu
  11. contact precautions
    • precautions for infections spreas by direct or indirect contact
    • private room
    • gloves when entering
    • gowns if contact with infected area
    • dedicated equipment
    • MRSA
  12. VRSA is treated with
    Zyvox
  13. signs of inflammation include
    • redness
    • swelling
    • pain
    • tenderness
    • restricted movement
    • purulent drainage
  14. two types of immune response
    • humoral - antigen/antibody
    • cellular - WBC's
  15. signs and symptoms of cellular immune response
    • fever
    • malaise
    • lymph node enlargement
    • loss of appetite
    • nausea/vomiting
    • elevated leukocyte count (>10,000)
  16. what is an elevated leukocyte count
    >10,000
  17. types of nosocomial infections
    • exogenous - infect by others
    • endogenous - from themselves (normal flora)
    • Iatrogenic - from treatment or procedure
  18. Iatrogenic
    nosocomial infection from treatment or procedure in the hospital (whirlpool)
  19. when should you change IV
    at the first sign of inflammation
  20. most important way to prevent infection
    hand washing
  21. what should you clean first
    the least soiled areas
  22. should you use hot water first when cleaning something?
    no use cold water to remove organic material
  23. keys factors in achieving disinfection
    • time
    • concentration of chemical
    • temp of chemical
    • type of organism
  24. chlorines uses
    • disinfect water
    • housekeeping
    • HIV
    • not used with metals
  25. iodines uses
    • bacteriocidal
    • fairly rapid germicidal effect with detergent
    • relatively non-toxic
  26. ethyl/isopropl alcohol
    • antispetic use
    • can be used disinfectant
    • acts a germicide
    • dries skin
    • damages plastic

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