Details

Title: Micro II-MedTech College Indy

Description: Chapter 22

Total Flash Cards: 26

Created: 10/05/2009 13:40:30

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Additional Microbiology Flashcards

Cards in this set:

Term
Oxidase Positive
Definition
Name the biochemical test that differentiates nonfermenters from Enterobacteriaceae (except Plesiomonas)?
Term
Carbohydrates
Definition
What substances do nonfermenters fail to ferment?
Term
Name the 3 species of nonfermenters that make up the majority of isolates routinely seen in clinical labs.
Definition
Pseudomonas aeruginosa, Acinetobacter spp., Stenotrophomonas maltophilia
Term
Pseudomonas aeruginosa
Definition
The nonfermenter that is the leading cause of nosocomial pneumonia and bacteremia.
Term
Pseudomonas aeruginosa
Definition
Name the organism that causes pulmonary disease among people with cystic fibrosis.
Term
Septic shock, granulocytopenia, inappropriate anti-microbial therapy, presence of septic metastatic lesions
Definition
Name the poor prognostic factors associated with Pseudomonas aeruginosa bacteremia.
Term
Opportunistic
Definition
Despite all its virulence factors, what type of pathogen is Pseudomonas aeruginosa?
Term
Endotoxin, motility, pili, capsule/several exotoxins, proteases, hemolysins. Most important is Exotoxin A.
Definition
What is a virulence factor of Pseudomonas aeruginosa?
Term
Penicillin, ampicillin, early-generation cephalosporins,trimethoprim- sulfamethoxazole (SXT) and chloramphenicol
Definition
Name the anti-microbials that Pseudomonas aeruginosa is resistance to.
Term
fluorescens
putida
Definition
Name the 2 species of Pseudomonas that have been linked to transfusion-associated septicemia.
Term
Acinetobacter
Definition
Name the genus of organisms that colonized 45% of all tracheotomy patients.
Term
Acinetobacter
Definition
What organisms, which are gram-negative coccobacilli, can appear as gram-positive cocci in smears made from blood culture bottles.
Term
Nosocomial settings
Definition
In what single setting does Stenotrophomonas maltophilia produce all its disease?
Term
Burkholderia cepacia
Definition
What organism is associated with pneumonia in patients with cystic fibrosis or chronic granulomatous disease (CGD)?
Term
Burkholderia cepacia complex
Definition
What nonfermenter produces a wak, slow, positive oxidase reaction?
Term
Burkholderia (Pseudomonas) gladioli
Definition
Which plant pathogen may be mistaken for Burkholderia cepacia?
Term
Burkholderia mallei
Definition
What is the causative agent of glanders?
Term
Burkholderia (Pseudomonas) pseudomallei
Definition
What organism causes melioidosis?
Term
SE Asia (Vietname/Thailand), N. Australia, Mexico
Definition
Burkholderia pseudomallei is found in which areas?
Term
Chryseobacterium meningosepticum
Definition
This causes meningitis or septicemia in newborns and pneumonia, endocarditis, bacteremia, meningitis. (Isolated cases of peritonitis and keratitis also reported)
Term
Moraxella characteristics
Definition
Strongly oxidase positive; non-motile, coccobacillary to bacillary gram-negative bacilli, generally biochemically inert with regard to carb oxidation, strictly aerobic, and suseptible to penicillin
Term
SXT, piperacillin, ticarcillin, carbenicillin, ceftazidime, cefoperazone, quinolones
Definition
Alcaligenese are usually suseptible to THESE antibiotics.....
Term
Chromobacterium violacceum
Definition
This organism is an opportunistic pathogen that strikes the immunocompromised patient with neutrophil deficits and produces a violet pigment on nonselective agar.
Term
Presence of sphingophopholipids in cell wall.
Definition
What is unique about the Sphingobacterium spp.?
Term
Moraxella nonliquefaciens
Definition
What is the mosst common member of the genus Moraxella isolated in the clinical lab?
Term
Burkholderia mallei
Definition
Which nonfermenter is considered by government agencies to be a potential bioterrorist agent?