NHCO Midterm Exam Questions And All Correct Answers.
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Course
NHCO
Institution
NHCO
Lab responsible for blood cultures? - Answer Microbiology
Additive in blood cultures? - Answer Sodium polyanethole sulfonate- SPS (Nutrient Broth)
How and what do you clean for blood culture? - Answer ChloraPrep (not alc) at injection site and wipe down the tops of collection bottles...
NHCO Midterm Exam Questions And All Correct Answers.
Lab responsible for blood cultures? - Answer Microbiology
Additive in blood cultures? - Answer Sodium polyanethole sulfonate- SPS (Nutrient Broth)
How and what do you clean for blood culture? - Answer ChloraPrep (not alc) at injection site and wipe down the tops of collection bottles
What order do you fill blood culture bottles? - Answer Aerobic first and then anaerobic (butterfly tubing contains air, hence why aerobic is first)
What does STAT mean? - Answer Test must be carried out immediately
T/F) Blood cultures are usually ordered STAT or as timed specimens - Answer True
What is the purpose of sodium polyanethole sulfonate (SPS)? - Answer To promote rapid growth of pathogenic/infectious microorganisms in a blood sample (for identification)- blood culture bottles
What tubes come before and after blood cultures? - Answer No tubes before, discard tube after (clear or glass red top).
What needle should you use for a blood culture? - Answer Use a winged infusion set (butterfly) to prevent nutrient broth introduction to blood stream (may differ by employer)
Which red top tube (glass/plastic) do you use as a discard? - Answer Glass (glass red tops contain no additives)
What is a discard tube used for? - Answer Used to prevent thrombin and other cells from polluting the samples drawn in following tubes. What tubes come before and after a discard tube? - Answer Blood culture bottles before, light blue top tube after
What tubes come before and after a light blue top? - Answer Discard tube before (clear, red glass), royal blue with red stripe after
T/F) the royal blue with red stripe tube has no additives - Answer True
Does the royal blue red stripe tube yield serum or plasma? - Answer Serum
What is the difference between a glass red top tube (no additive) and a royal blue red stripe tube? - Answer The royal blue red stripe tube contains no nickel
What is the difference between a purple top tube and a royal blue lavender/blue stripe tube? - Answer The royal blue lavender/blue stripe tube contains no nickel
What 2 tests are royal blue tubes used for? (Red stripe or lavender/blue stripe) - Answer Lead (Pb) poisoning, Heavy metal toxicology
Lab responsible for royal blue tubes? (Red stripe or lavender/blue stripe) - Answer Toxicology
How many times should you invert royal blue tube? (Red stripe or lavender/blue stripe) - Answer 8 times (but you will invert all tubes 8-10 times)
What tubes come before and after royal blue red stripe tube? - Answer Light blue before, plastic red top after
What tubes come before and after royal blue lavender/blue stripe tube? - Answer Lavender before, grey after
Lab responsible for light blue top tube? - Answer Coagulation (or Hematology if a smaller facility)
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