Term
| what is the name for organisms that live on dead or decaying organic debris? |
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Definition
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Term
| how many species of fungi are recognized as pathogenic for humans? |
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Definition
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Term
| Name two ways the immune system can become altered, resulting in increase in susceptibility to fungal infections? |
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Definition
| Immunosuppressive agents like chemotherapy, and debilitating diseases like HIV and diabetes |
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Term
| Name three methods of infection with fungi |
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Definition
| inhalation, trauma, contact |
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Term
| what is the most common method of becoming infected with fungi? |
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Definition
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Term
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Definition
| direct person to person contact |
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Term
| What is another name for fungal spores? |
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Definition
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Term
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Definition
| by budding- produce blastoconidium |
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Term
| do yeast have aerial mycelia? |
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Definition
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Term
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Definition
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Term
| what causes the fuzzy appearance of molds? |
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Definition
| mycelium- long strands of tube like structures called hyphae |
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Term
| what is the function of aerial mycelium? |
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Definition
| supports reproductive structures of organism |
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Term
| what is the function of vegetative mycelium? |
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Definition
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Term
| what is it called when hyphae contain frequent cross walls between the cells? |
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Definition
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Term
| a word for hyphae that are lightly pigmented |
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Definition
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Term
| what kind of hyphae take up lactophenol cotton blue dye? |
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Definition
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Term
| a word for hyphae that are darkly pigmented? |
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Definition
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Term
| what hyphae has melanin in the cell wall and doesn't stain with lactophenol cotton blue dye? |
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Definition
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Term
| the ability to exist in both yeast form in vivo and mold form at room temperature? |
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Definition
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Term
| what kind of fungus is 100% fatal if not treated? |
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Definition
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Term
| Both yeast and mold forms exist in the same culture- yeast phase initially, and mold phase as colony ages |
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Definition
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Term
| reproduction that results in formation of conidia following mitosis? |
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Definition
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Term
| reproduction that requires the joining of two nuclei following meiosis? |
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Definition
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Term
| Small, unicellular conidia |
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Definition
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Term
| large, multi-celled conidia |
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Definition
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Term
| Name four general groups of fungi |
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Definition
| zygomycetes, abscomycetes, basidiomycetes, deuteromycetes(fungi imperfecti) |
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Term
| which group of fungi produce profuse, gray to white aerial mycelium often known as "lid lifters"? |
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Definition
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Term
| Mucor, Rhizopus and Absidia are examples of what group of fungi? |
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Definition
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Term
| Histoplasma capsulatum, Blastomyces dcermatitidis, Geotrichum sp., Microsporum sp. and Tricophyton sp. are examples of what group of fungi? |
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Definition
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Term
| What group of fungi are generally plant pathogens and rarely cause human disease? |
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Definition
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Term
| Cryptococcus neoformans is in what group of fungi? |
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Definition
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Term
| What group of fungi contains the largest number of organisms, including about 90% of pathogenic fungi? |
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Definition
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Term
| What group of fungi lack a sexual reproductive cycle? |
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Definition
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Term
| Do zygomycetes have septate or aseptate hyphae? |
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Definition
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Term
| which group of fungi reproduces asexually with sporangiospores? |
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Definition
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Term
| Name four clinical sites of fungal infection? |
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Definition
| superficial, cutaneous, subcutaneous and systemic |
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Term
| what clinical site of infection is confined to the outermost layer of skin and hair? |
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Definition
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Term
| what group of fungi affects the keratinized layer of skin, hair or nails? |
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Definition
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Term
| what kind of fungi cause symptoms like itching, scaling, or ring-like patches on skin; brittle, broken hairs, and thick, discolored nails? |
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Definition
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Term
| what fungi involve the deeper skin layers including muscle and connective tissue, causing progressive, non-healing ulcers and draining sinus tracts? |
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Definition
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Term
| what fungi affect internal organs or deep tissues of the body, often entering the body through the lungs? |
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Definition
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Term
| Fever, fatigue, chronic cough and chest pain are symptoms of what kind of fungal infection? |
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Definition
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Term
| India ink is used to test cerebrospinal fluid for what fungus? |
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Definition
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Term
| Patients seek medical attention for cosmetic reasons like skin discoloration, hair nodules, etc. |
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Definition
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Term
| The lipophilic yeast that causes tinea versicolor or pityriasis versicolor? |
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Definition
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Term
| what superficial mycoses is treated with 1% selenium sulfide? |
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Definition
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Term
| what fungus causes "fawn colored liver spots"? |
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Definition
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Term
| what fungus may cause folliculitis, tear duct obstruction, dermatitis, and systemic infections especially in persons receiving lipid therapy? |
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Definition
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Term
| What test is used to diagnose Malassezia furfur infection? |
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Definition
| KOH prep of skin scrapings |
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Term
| KOH prep of what fungus resembles spaghetti and meatballs? |
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Definition
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Term
| What is the causative agent of Black piedra? |
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Definition
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Term
| In culture, this superficial fungus grows slowly on Sabouraud's agar, forms dark brown colonies, and produces dematiaceous, septate hyphae. |
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Definition
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Term
| How is Black piedra treated? |
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Definition
| Removal of infected hair shafts, topical fungicides |
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Term
| What is the causative agent of White piedra? |
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Definition
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Term
| What fungus causes a soft mycelia mat around scalp, facial, and genital hair? |
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Definition
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Term
| what superficial fungus is endemic in tropical areas of Africa, Asia, and Latin America? |
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Definition
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Term
| what superficial fungus is endemic in tropical areas of South America, the Far East, and the Pacific? |
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Definition
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Term
| Microscopic evaluation of hair reveals intertwined, hyaline, septate hyphae with arthroconidia and blastoconidia |
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Definition
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Term
| What superficial fungus grows rapidly as a yeast-like colony, then becomes heaped and wrinkled as colony matures? |
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Definition
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Term
| How is identification of Trichosporon species confirmed? |
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Definition
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Term
| What is the causative agent of Tinea nigra? |
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Definition
| Phaeoannellomyces werneckii |
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Term
| what superficial fungus is often misdiagnosed as malignant melanoma? |
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Definition
| Phaeoannellomyces werneckii |
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Term
| what fungal infection is characterized by brown to black nonscaly macules found primarlily on the palms of the hands and the soles of the feet? |
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Definition
| Phaeoannellomyces werneckii |
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Term
| KOH prep of skin scrapings reveals numerous light brown, branching, septate hyphae and budding cells |
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Definition
| Phaeoannellomyces werneckii |
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Term
| When grown in culture, this organism produces a slow-growing, shiny, moist, yeast-like colony; olive to greenish black in color; aerial mycelium eventually develop |
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Definition
| Phaeoannellomyces werneckii |
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Term
| 3 genera of cutaneus mycoses |
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Definition
| Trichophyton, Microsporum, and Epidermophyton |
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Term
| which of the cutaneous mycoses infects skin and hair, but not nails? |
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Definition
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Term
| Which of the cutaneous mycoses infects skin and nails, but not hair? |
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Definition
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Term
| Which of the cutaneous mycoses infects skin, nails, and hair? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Most common cause of athlete's foot |
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Definition
| Trichophyton mentagrophytes |
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Term
| Can cause athlete's foot, ringworm of skin, and folliculitis in scalp and beard |
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Definition
| Trichophyton mentagrophytes |
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Term
| culture of this cutaneous fungus is cream, tan or pink; flat, powdery, granular or fluffy, and tan yellow red or brown on the reverse |
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Definition
| Trichophyton mentagrophytes |
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Term
| Microconidia of this species are round or pear shaped arranged singly or in clusters |
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Definition
| Trichophyton mentagrophytes |
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Term
| what organism causes black dot ringworm of the scalp and tinea unguium? |
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Definition
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Term
| What organism causes psoriasis-like lesions of the skin? |
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Definition
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