Bcid Training - Module 2 Quiz

13 Questions | By GenMark | Updated: Mar 21, 2022 | Attempts: 100

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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