MLS ASCP Microbiology Questions and Answers Rated A+
1 : 10 ratio Answer>>The proper blood-to-broth ratio for blood cultures to reduce the antibacterial effects of serum
Beta-lactamase Answer>>Produced by a penic
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MLS ASCP Microbiology Questions and Answers Rated A+
1 : 10 ratio Answer>>The proper blood-to-broth ratio for blood cultures to reduce the antibacterial effects of serum
Beta-lactamase Answer>>Produced by a penicillin-resistant N. gonorrhoeae
Columbia CNA with 5% sheep blood Answer>>Selective medium used for the isolation of gram-positive microorgnisms
Indole test Answer>>used for determining an organism's ability to produce indole from deamination of tryptophan
JEMBEC system Answer>>is a transport and inoculation medium used for direct plating of specimens for N gonorrhoeae. Chocolate based selective medium is inoculated with the specimen. This is placed in an impermeable plastic bag with a bicarbonate-sodium citrate pellet to generate a carbon dioxide rich environment.
Martin Lewis agar Answer>>Chocolate agar base containing vancomycin, colistin, anisomycin, and trimethoprim for better inhibition of gram-positive organisms and candida.
Differential medium Answer>>aids in the presumptive identification of organisms based on their apperance
SPS Answer>>used as anticoagulant in blood cultures to inactivate neutrophils and components of serum complement
Blood culture Answer>>Typhoid fever can be confirmed by this culture
Regan-Lowe agar Answer>>best medium for culture for Bordetella pertussis
Francisella tularensis Answer>>most rapid method for detection is PCR
synovial infections Answer>>Anaerobic susceptibility testing is helpful
Schlichter test Answer>>is used to monitor bactericidal activity during antimicrobic therapy in cases of endocaditis
Moraxella osloensis Answer>>is a gram-negative coccobacillus that is often plump and occurs in pairs and demonstrates a morphology similar to Neisseria
Extra-intestinal isolates of Salmonella Answer>>should be tested for resistance to nalidixic acid and if resistant report the ciprofloxacin as resistant
Gentamicin Answer>>antimicrobial resistance occurs from enzymatic drug modification
Enterococcus infection Answer>>need 2 antimicrobial agents, penicillin derivative and an aminoglycoside
pulsed-field gel electrophoresis Answer>>commonly used method to determine the relatedness of 2 or more bacterial strains
Micrococcus Answer>>is modified oxidase positive, bacitracin (0.04U) susceptible and resistant to lysotaphin
Enterococcus Answer>>may be used as a positive quality control for the bile esculin test
Campylobacter Answer>>are gram-negative, curved bacilli "gull wings" that require microaerophilic conditions for growth
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