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37 Cards in this Set
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- Back
- 3rd side (hint)
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Eukaryotic organisms that lack chlorophyll and cannot generate energy through photosynthesis.
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fungi
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Fungi that grow as either yeast or mold depending on temperature and environmental conditions.
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Dimorphic fungi.
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Threadlike, branching tubules composed of fungal cells attached end to end.
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hyphae
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Multicellular colonies composed of clumps of intertwined and branching hyphae.
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molds (mycelia)
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Other name for molds.
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Mycelia
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Fungi that live and use organic matter such as soil, rotten vegetation as their energy source.
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saprophytes
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Reproducing bodies of molds.
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Spores
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Unicellular growth form of fungi.
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Yeast
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Spherical or ellopsodial fungi that reproduce by budding. If they do not separate, they form long chains of cells known as pseudohyphae.
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yeast
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Skin Depths. 4
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Superficial, Cutaneous, Sub-Cutaneous, Systemic
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Outermost skin depth.
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Superficial
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Skin depth below Superficial
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Cutaneous
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Third level of skin depth.
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Sub-Cutaneous
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Lowest skin depth.
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Systemic
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Superficical fungal infection that causes pityriasis versicolour and results in hypo or hyperpigmented patches that remain white if you suntan.
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Malassezia furfur
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Superficial fungal infection that causes tinea nigra, black coloured, painless patches on the soles of hands and feet.
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Exophiala werneckii
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Treatment for Exophiala werneckii
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spreading dandruff shampoo containing selenium sulfide on skin.
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Treatment for Malassezia fur fur.
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spreading dandruff shampoo containing selenium sulfide on skin.
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Cutaneous infections occur in these three areas.
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skin, hair, and nails.
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A category of cutaneous fungal infections caused by more than 30 species of fungi.
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Dermatophytes.
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The causative agents of tuberculosis and leprosy.
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Mycobacteria
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Acid fast bacilli of mycobacteria resist this.
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decolorisation.
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The waxy coat of mycobacteria means that they are unable to use this diagnostic method.
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Gram Stain
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Mycobacteria are resistant to..
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disinfectants.
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This staining technique is used for mycobacteria.
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Ziehl-Neelsen.
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The Ziehl-Neelsen technique has how many steps?
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4
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The first step of Ziehl-Neelsen.
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carbol fuschin to the slide for five minutes while applying heat.
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Step two of Ziehl Neelsen.
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A gentle was with water to cool the slide.
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Step three of Ziehl-Neelsen.
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Acid alcohol is added to decolorise the slide.
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Step four of Ziehl-Neelsen.
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Wash the slide in water again and counterstain with methylene blue for 1-2 minutes.
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Chronic,slow-progressing pulmonary infection, transmitted by aerosol droplets.
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Mycobacterium tuberculosis
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Obligate aerobe, facultative intracellular parasite.
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Mycobacterium tuberculosis
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To see colonies on a plate growing Mycobacterium tuberulosis, you must use this medium.
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Lowenstein-Jensen
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To see colonies on a plate growing Mycobacterium tuberculosis, this much time must pass.
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4-6 weeks.
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The first line of diagnosis of Mycobacterium tuberculosis.
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Microscopy of sputum smears.
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This percentage of people infected with Mycobacterium tuberculosis, but are not infected with HIV, become sick or infectious at some time.
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5-10 %
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This fraction of the world population is currently infected with TB.
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1/3
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