Bcid Training - Module 2 Quiz

13 Questions | Total Attempts: 77

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Bcid Training - Module 2 Quiz


Questions and Answers
  • 1. 
    MALDI can be performed after blood culture without a gram stain result.
    • A. 

      True

    • B. 

      False

  • 2. 
    Traditional blood culture with ID & AST typically takes an average of ____________ hours.
    • A. 

      8-12

    • B. 

      12-24

    • C. 

      24-48

    • D. 

      48-72

    • E. 

      96-120

  • 3. 
    What technology is used in MALDI-TOF?
    • A. 

      Laser Microdissection

    • B. 

      Reverse Osmosis

    • C. 

      Mass Spectrometry

    • D. 

      Protein Dissolution

    • E. 

      Nuclear magnetic resonance

  • 4. 
    What is detected during the MALDI-TOF process?
    • A. 

      Electrons

    • B. 

      Nucleic acids

    • C. 

      Carbohydrates

    • D. 

      Proteins

  • 5. 
    MALDI-TOF results are analyzed by manually reading peaks of the spectrum.
    • A. 

      True

    • B. 

      False

  • 6. 
    What are the names of the most common MALDI-TOF Systems used in the US for blood culture?
    • A. 

      BioMerieux VITEK MS

    • B. 

      BioMerieux BacT/ALERT® 3D instrument

    • C. 

      Bruker MALDI Biotyper

    • D. 

      Bruker UltrafleXtreme™

    • E. 

      B & c only

    • F. 

      B & d only

    • G. 

      A & c only

    • H. 

      A & d only

  • 7. 
    A sample for MALDI-TOF testing can be performed directly from the blood culture bottle like molecular tests.
    • A. 

      True

    • B. 

      False

  • 8. 
    What is the average time to result to organism ID using a MALDI-TOF system?
    • A. 

      4-8 hours

    • B. 

      8-12 hours

    • C. 

      12-24 hours

    • D. 

      48-72 hours

    • E. 

      72-96 hours

  • 9. 
    The Bruker MALDI Biotyper is FDA cleared on gram-positive & gram-negative bacterial colonies cultured from human specimens. ​
    • A. 

      True

    • B. 

      False

  • 10. 
    Lysate preparation or extraction required for some bacteria and yeast is required on the Bruker Biotyper.
    • A. 

      True

    • B. 

      False

  • 11. 
    For each hour that appropriate targeted antimicrobial treatment is delayed, a sepsis patient’s mortality rate increases by ___%
    • A. 

      4

    • B. 

      8

    • C. 

      12

    • D. 

      24

    • E. 

      48

  • 12. 
    Blood Culture ID/AST is commonly performed with MALDI.
    • A. 

      True

    • B. 

      False

  • 13. 
    Using MALDI for AST can significantly improve susceptibility TAT compared to traditional methods. 
    • A. 

      True

    • B. 

      False

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