Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/15

Click to flip

15 Cards in this Set

  • Front
  • Back
Highly mucoid, acid on Lemb/MAC

Spot indle neg
Klebsiella pneumoniae
Highly mucoid, acid on Lemb/MAC
Spot indole pos
Klebsiella oxytoca
Green sheen on LEMB
Oxidase neg
Spot indole pos
E.coli
Swarming
Proteus
Metallic sheen on BA
Blue-green on LEMB
Grape odor
Pseudomonas aeruginosa
Small, translucent, gray, shiny, beta-hemolytic.
Catalase neg; PYR pos; GPC
Strep group A
Small, translucent, gray, shiny, gamma-hemolytic.
Catalase neg; PYR pos; GPC
Enterococcus
What are the criteria for doing a presumptive ID?
-Pure culture
-Highly experienced tech
What causes methicillin resistance?
the Mec A gene
What does the Mec A gene encode?
Altered binding proteins
What is the best method for Methicillin resistance testing?
Oxacillin disc, 6 ug, 35'C for 48 hrs, 2% NaCl in Mueller Hinton Agar.
What is better at curing methicillin resistant organisms?
Combination of Vancomycin + Rifampin
Whats problem re: Strep pneumo antibiotic susceptibility?
Penicillin susceptibility
What is the choice method for detecting Strep pneumo penicillin resistance?
-1 ug Oxacillin disc
-Mueller Hinton + 5% Blood agar
-Increased CO2
What are the ref ranges for Strep pneumo oxacillin -resist testing?
If 20 mm or greater, SUSCEPTBLE.

If less than 20, RESISTANT.