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18 Cards in this Set
- Front
- Back
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What conditions are ideal for a room used for microbiology testing?
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gas and electric outlets
fridge and incubators washable floors limited traffic good lighting and ventilation 2 workspaces ample storage space |
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What do you do when you are not sure of the correct stain to use?
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Read manufacturer's instruction
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Why do we innoculate milk sample
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check for mastitis
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Why do we innoculate intestinal infection
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enterobacteriaceae
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Why do we innoculate an eye specimen
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fastidious/found normally
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Why do we innoculate an ear
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malessezia (yeast) in dogs
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Diagnosis of cause of a disease is based upon what?
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clinical signs
gross pathologic observations organisms involved results of other lab tests |
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Synthetic media
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exclusively made from chemicals
exact chemical comp is known experimental work KOSER citrate broth |
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culture media
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any material, solid or liquid, that can support growth of microorganisms
most convenient |
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enriched media
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formulated to meet the requirements of the most fastidious pathogens
blood, serum and egg additives |
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selective media
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chosen antibacterial substances
brilliant green agar and MacConkey agar |
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differential media
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allow bacteria to be differentiated into groups by biochemical reactions
Simmons Citrate |
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basic nutrient media
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typically contain peptone, salt, dextrose, water,meat extract and solidifying agent
needed for growth |
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Blood agar
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enriched medium supports the growth of most bacterial pathogens, such as typticase soy agar
blood agar base columbia agar eugon agar |
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chocolate agar
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if Hemophilus infection is suspected
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McConkey Agar
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differential medium
crystal violet, which suppresses growth of gram+ bacteria |
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Mannitol Salt Agar
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not routinely used but a highly selective medium for staph
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Broths
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Tetrathionate broth is an enrichement broth for isolation of Salmonella
Selenite -used for isolation of Salmonella |
