Aseptic Blood Culture Collection Quiz
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Questions and Answers

What is the correct sequence for the aseptic collection of blood cultures?

  • 70% alcohol and then 95% alcohol
  • 95% alcohol only
  • 70% alcohol and then 2% iodine or an iodophor (correct)
  • 2% iodine and then 70% alcohol solution

    • How long should the iodine (or iodophor) remain intact on the skin when cleansing for blood culture collection?

  • 30 sec
  • 60 sec (correct)
  • 10 sec
  • 5 min

    • What is the purpose of adding 0.025%-0.050% sodium polyanetholsulfonate (SPS) to nutrient broth media for blood culture collection?

  • It functions as a preservative.
  • It enhances growth of anaerobes.
  • It inhibits phagocytosis and complement. (correct)
  • It promotes formation of a blood clot.

    • Which organism is best recovered from the nasopharynx using a flexible calcium alginate nasopharyngeal swab?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    What is the purpose of semisolid tr?

    <p>It promotes anaerobic growth.</p> Signup and view all the answers

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