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18 Cards in this Set
- Front
- Back
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What can be seen via dark field?
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spirochetes
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What can be seen via EM?
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virus and microspordia
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Why is a swab a bad thing?
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3/100 will grow in culture, anaerobes die, only 150 microL
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What is the order of reagents in gram staining?
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crystal violet, iodine, alcohol, safarin
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What can be stained via Acid-fast?
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mycobacteria, nocardia, cryptosporidia, cyclospora
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What are the reagents for the Acid-fast procedure?
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carbofuchsin red, decolorizer (HCl), counterstain
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What are the special fungal stains?
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lactophenol cotton blue, GMS (gomori methenamine silver, PAS, Mucicarmine
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What does the lactophenol cotton blue stain?
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fungi
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What does Gomori methenamine silver stain?
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yeast, hyphae, pneumocystis carinii
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What does PAS stain?
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yeast calls and hyphae
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What does mucicarmine staine?
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cyrptococcus capsule
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What are silver stains used for?
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bacteria and spirochetes
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What are the two silver stains?
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Warthin-Starry, Steiner
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How are parasites stained?
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Wright's giemsa, wet mounts, trichrome, modified acid fast
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What can the Wright Giemsa stain?
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hitoplasma, leishmania, trypanosomas, malaria
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What is an important carrier of antibiotic resistance?
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conjugal plasmids called R plasmids
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What is a prophage?
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a phage that has entered the genome of the host but remains latent
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What is a lysogen?
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A cell harboring a prophage
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