Bcid Training - Module 2 Quiz
13 Questions
| Total Attempts: 77
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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