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Questions and Answers
What is the correct sequence for the aseptic collection of blood cultures?
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?
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?
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?
Which organism is best recovered from the nasopharynx using a flexible calcium alginate nasopharyngeal swab?
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What is the purpose of semisolid tr?
What is the purpose of semisolid tr?
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