Chapter 7

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Author:
Missyd19
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272921
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Chapter 7
Updated:
2014-05-03 00:23:31
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ch7 surg tech
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Chapter 7 final
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  1. * Include nonpathogenic and parasite life forms* Convert complex organic compounds into more simple forms through the process of decay
    Microorganisms
  2. * relationship between human hosts and indigenous flora
    symbiosis
  3. *Live on skin and inside human body 
    *Harmless unless given opportunity to enter a diff part of body, they become pathogens.
    Indigenous microflora (opportunistic pathogens)
  4. Microorganisms that cause an infection
    pathogens
  5. both organisms benefit and depend on one another
    mutualism
  6. What is the relationship:
    *E.coli obtains nutrients from food that humans eat
    *E.Coli produces vitamin K
    Mutualism
  7. One organism benefits and the other neither benefits or is harmed
    commensalism
  8. What is the relationship:
    Microflora on skin
    commensalism
  9. One organism benefits and the host is harmed
    parasitism
  10. What is the relationship:
    Intestinal worms
    parasitism
  11. Multiplication of organisms in the tissues of a host
    infection
  12. Any infection that develops while a pt is in a health care facility
    Nosocomial infection
  13. What does HAI stand for?
    Health care Associated Infection
  14. Primary goal
    Be vigilant with sterile technique to prevent transmission of microbes
  15. Bacteria divide by the process of...
    Binary fision
  16. Simple division that results in 2 identical cells
    binary fision
  17. Aerobic bacteria
    Grows with oxygen
  18. Anaerobic bacteria
    grows without oxygen
  19. Which is the only process that can kill spores
    Sterilization
  20. * Toxic shock syndrome, osteomyelitis, endocarditis are caused by which bacteria
    S. Aureus
  21. Most common transmitted pathogen in the OR
    S. Aureus
  22. Found on hair, skin and nose
    S. Aureus
  23. * Strep throat, tonsillitis, rheumatic fever, scarlet fever are caused by which bacteria?
    S. Pyogenes
  24. * Enterococcal infections of the urinary tract and bloodstream; associated with intra abdominal abscesses and wound infections are caused by which bacteria?
    enterococcus
  25. * Enterococcal infections of the urinary tract and bloodstream; associated with intra abdominal abscesses and wound infections are caused by which bacteria?
    E.Coli
  26. * Gas gangrene infection, cellulitis, fasciitis are caused by which bacteria
    Clostridium
  27. * Antibiotic-associated GI deceases are caused by which bacteria?
    C. Diff
  28. * Caused by Myobacterium TB* Transmitted through airborne droplet nuclei* Usually infects the lungs but may also infect the kidneys, bone, joints, or skin
    TB
  29. * Nonliving particles reliant on host cell for survival
    viruses
  30. * Do not attack DNA or RNA* Attack the brain – disease they cause is called subacute spongiform encephalopathies and scrapie (most common forms)* Transmitted through contaminated surgical instruments or tissue transplantation from an infection individual
    Prion
  31. tapeworms, flukes, roundworms via (most commonly) contaminated food are the most common...
    parasites
  32. Mycology
    Study of fungi
  33. * The majority of fungi are opportunistic pathogens that cause disease when the host is...
    immunocompromised
  34. ___ or ____ patients have lower immunological defenses
    geriatric or pedi
  35. Diminished blood flow, larger wound sizes, and difficulty of handling adipose tissue are problems with what type of pt?
    obese pt
  36. these pt’s are at greater risk of infection from their own endogenous flora
    Carriers of S. Aureus or MRSA
  37. Infections at other body sites
    Remote infections
  38. infection rates increase parallel to the duration of preoperative stay
    Preoperative hospitalization
  39. the use of razors carries a greater risk than ____
    clippers
  40. Bordetella pertussis (whooping cough)
    N. Meningitides (bacterial meningitis)
    E.coli
    Haemopilus influenzae
    are gram ____
    negative
  41. B.anthracis (GI anthrax)
    Clostridium perfringens (gas gangrene)
    C. difficile
    are gram ____
    positive

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