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SCACM QUIZ BOWL 2023 Flashcards | StudBud
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SCACM QUIZ BOWL 2023
SCACM QUIZ BOWL 2023
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Answers
1
Why do some
Corynebacterium
sp. grow as tiny colonies on blood agar but grow poorly or not at all on CHOC agar?
They can't make pyridoxal, a form of vitamin B6, needed for good growth.
They lack genes for lipid synthesis and must scavenge them from the media.
They all grow well blood and CHOC. Trick question!
They aerotolerant anaerobes and prefer to grow anaerobically.
2
What is the maximum blood culture contamination rate that should not be exceeded according to the CLSI?
6%
10%
3%
1%
3
According to observational studies, approximately what % of patients with contaminated blood cultures get antibiotics?
60%
20%
40%
80%
4
Why is
Candida auris
classified by the CDC as an urgent AR threat?
Causes outbreaks in healthcare facilities that are hard to control
High rates of antifungal resistances
Enivronmental contamination
All of the above
Ability to colonize patient's skin increasing the risk of infection
5
How should these results be reported?
The MIC values are too high for these antibiotics and group B strep
There’s a software glitch. Call the company.
There are no interpretive criteria for strep for Pen, Amp and Ceftriaxone
1.The MIC values are too low for these antibiotics and group B strep
6
Which of the following is
NOT
an ESKAPE bug:
P. aeruginosa
S. aureus
E.coli
Enterococcus faecium
7
M100 CLSI standard: This
Staphylococcus
is part of “Other Staphylococcus spp.” for determining Oxacillin susceptibility.
S. hominis
S. pseudintermedius
S. schleiferi
S. epidermidis
8
What is it?
Bacillus species
Lactobacillus species
Erysipelothrix rhusopathiae
Listeria monocytogenes
9
Per CDC and the USDA Federal Select Agent Program, which of the following is
NOT
a Tier 1 Select Agent?
Francisella tularensis subsp. holarctica
Francisella tularensis subsp. mediasiatica
Francisella tularensis subsp. tularensis
Francesella tularensis subsp. novicida
10
What is the initial response to resolve this discrepency once local efforts to identify the problem are exhausted?
Ask if anyone else has seen this situation
Send the organism to reference lab for sequencing
Contact the manufacturer
Report S. aureus with no further investigation
11
Pattern recognition as it applies to the Gram stain refers to:
Specific bacterial morphotypes
The specimen source and clinical patterns recognized in the patient
Specific inflammatory cells and other indicators of pathology
The quantities of bacteria and inflammatory cells
Relationship & importance of bacteria, inflamm cells and hints of pathology
12
What bug is it?
Dermacentor sp.
Pediculus humanus capitis
Sarcoptes scabei
Cimex species
13
What testing options are currently available for
C. auris
colonization screening? Pick all that apply.
PCRs performed as laboratory developed tests
Enrichment broth based culture
Labs can now select from diverse array of FDA approved tests for screening
14
Common societal reactions to infectious disease include all of the following EXCEPT:
Heroism in individual actions
Persecution of powerful elites
Self-punishment
Persecution of vulnerable population
Development of best practices
15
What document provides troubleshooting guidelines for genotypic and phenotypic mismatches for resistance detection?
Clinical Microbiology Procedures Handbook
Manual of Clinical Microbiology
CLSI M100
IDSA Guidelines
16
Which of EPA's lists serve as a reference for disinfectants approved against
C. auris
?
List P
None of the above
List N
All antifungal products
17
Resource publishes a free newsletter regarding current AST practices, recommendations, and resources
ASM
CLSI
CLIA
CAP
18
Which of the following tests could aid in species level identification of
Brucella
? Pick all answers that apply.
Hydrogen sulfide production
Urease positivity
Gel production in phenolized saline
Lysis by Brucellaphages
16s rRNA sequencing
19
What is the most likely organism (if any)?
Mycobacterium abcessus
Mycoplasma hominis
Trick question: no growth- specimen debris/condensation on the plate
Fusobacterium nucleatum
20
What is
NOT
one of the recommended things to check in troubleshooting of discordant genotypic and phenotypic results?
Review for accurate report
Reagents/instrumentation
Review culture plates
Specimen collection
21
Preparation for the next pandemic includes:
Planning for self-punishment
Expecting that the next pandemic will resemble COVID
Policies,procedures,relationships,resources,training, expertise, &biosafety
Involves primarily each laboratory preparing internally
Recognizing the next one is way off, so prep can be deliberate and thorough
22
The role of the AR Lab Network Regional Lab is to:
Perform antifungal susceptibility tests on Candida spp. to track resistance
All of the above
Retain isolates for future use
Perform colonization testing for Candida auris
23
Oil immersion view of a positive blood culture Gram stain. What report most closely matches what you should report?
Gram-positive diplococci
Gram-positive cocci in chains
Gram-positive cocci in clusters
Gram-positive cocci in chains and clusters
Gram-positive cocci
