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37 Cards in this Set

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