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Final
Final Review Flash cards for Medical Micobiology
61
Microbiology
Undergraduate 2
12/09/2010

Additional Microbiology Flashcards

 


 

Cards

Term
First Step in Spills Procedure
Definition
Notify everyone in room
Term
condenser
Definition
Directs light rays onto and through the specimen
Term
Parfocal
Definition
Once the object is in focus with lowest power, it should be almost in focus with highest power
Term
Working distance
Definition
Distance between the slide and bottom of lens
Term
Resolution
Definition
Ability to see details, can be improved with oil
Term
Prepare Bacterial Smear
Definition
Sterilize loop
Select colony
Pick up and mix w/ saline
Heat Fix
Term
Gram Stain: Staining
Definition
Flood w/ crystal violet for 1 min
Flood with iodine for 1 min
Term
Gram Stain: Decolorization
Definition
Drip acetone across smear till clear
Rinse
Term
Gram Stain: Counter Stain
Definition
Flood w/ Safranin for 1 min
Rinse
Blot dry with bibulous paper
Term
Most Critical Step in Gram Stain Procedure
Definition
Rinse acetone
Term
Color after prepared smear for gram stain
Definition
gram-=clear
gram+=clear
Term
Color after staining in gram stain
Definition
gram-=purple
gram+=purple
Term
Color after decolorization in gram stain
Definition
gram-=clear
gram+=purple
Term
Color after counterstain in gram stain
Definition
gram-=red
gram+=purple
Term
Overcolorize
Definition
Crystal violet left on to long
Both purple
Term
Overdecolorize
Definition
Acetone left on to long
Both red
Term
What part of cell determines gram stain reaction
Definition
peptidoglycan
Term
Mixed Culture
Definition
Presence of more than one bacterial species
Term
2 Purple Kill-its
Definition
kill-it not working
Term
2 Yellow kill-its
Definition
Autoclave not working
Term
Disinfection
Definition
Destroy or remove contaminants or microorganisms
Term
Sterelization
Definition
Destroys or removes all microorganisms, including endospores and viruses
Term
Viruses most resistant to Decontamination
Definition
Poliovirus & Hepatitis B
Term
What tests are used to identify Staphylococcus?
Definition
Mannitol Salt Agar
Coagulase Test
Staphaux Aggluation
Term
Staphylococcus Sp. has what catalase reaction?
Definition
positive
Term
Staphylococcus sp. has what gram stain reaction?
Definition
positive
Term
Strepylococcus sp. has what catalase reaction?
Definition
negative
Term
Strepylococcus has what gram stain reaction?
Definition
positive
Term
MIC
Definition
minimum inhibitory concentration
lowest amount of antibiotic that inhibits growth of an organism
Term
Direct Immunology testing
Definition
measures presence of antigen
Term
Indirect immunology testing
Definition
Measures presence of antibody
Term
Tests for HIV
Definition
ELISA
Western Blot-more specific
Term
Blood Agar Plate has 5% of what?
Definition
Sheep's Blood
Term
BAP is what kind of plate?
Definition
Selective, differential and enriched
Term
Color of Alpha, Beta, and Gamma Hemolysis
Definition
alpha-green
beta-clear
gamma-none
Term
Mannitol Salt Agar turns yellow for what organism
Definition
Staphylococcus aureus
Term
Mannitol Salt Salt agar has what indicator
Definition
Phenol red pH indicator
Term
MSA grows what gram stains
Definition
gram +
Term
MacConkey grows what gram stain
Definition
gram -
Term
MacConkey has what indicator
Definition
neutral red pH indicator
Term
Lactose fermenters turn what color on MacConkey
Definition
pink/red colonies
Term
MacConkey grow what kind of organisms
Definition
coliforms
Term
Hektoen grows what kind of organisms and what gram stain
Definition
gram - pathogens
Term
Hektoen has what indicator
Definition
Bromthymol blue
Term
What organisms grow blue-green colonies on Hektoen?
Definition
Salmonella and Shigella
Term
What kind of organisms will turn yellow on Hektoen?
Definition
normal flora
Term
Bile Esculin will turn black from what organism?
Definition
Enterococcus
Term
Bile esculin grows what gram stain?
Definition
gram +
Term
What disease is caused by Clostridium difficille?
Definition
Pseudomembranous entercolitis
Term
Neisseria gonorrhoeae has what form and gram stain
Definition
gram - diplococcus
Term
Staphylococcus aureus has what catalase, coagulase reaction
Definition
catalase +
coagulase +
Term
Yeast is what organism and gram stain
Definition
Candida albicans, gram +
Term
Simmon's Citrate has what indicator
Definition
bromthymol blue
Term
What grows on chocolate media
Definition
Neisseria gonorrhea
5% to 10% CO2
Term
Oxidase positive is what color
Definition
purple
Term
Psedemonas aurginosa can produce what color pus
Definition
blue-green
Term
What is substrate of catalase test
Definition
hydrogen peroxide
Term
Streptococcus pneumoniae has what gram stain reaction and morphology
Definition
Gram+ cocci in chains
Term
What disk and what is used in that disk to test for Steptococcus pneumoniae and what type of hemolysis
Definition
P-Disk
Optochin
Alpha hemolytic
Term
Steptococcus pyogenes has what type of hemolysis and what is its full name
Definition
Beta
Beta-hemolytic Strptococcus pyogenes group A
Term
What disk and what is in that disk to test for strptococcus pyogenes
Definition
A-Disk
Bacitracin
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