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MLT - Micro
Mycology
| Question | Answer |
|---|---|
| Common cause of eumycotic mycetoma | Pseudallescheria boydii |
| Common cause of actinomycotic mycetoma | Nocardia |
| Produces cladosporium, phialophora and fonsecaea types of sporulation simultaneously | Fonsecaea pedrosoi |
| What fungus is Urease + and Phenol Oxidase + | Cryptococcus neoformans |
| What is used to detect mixed yeast populations? | ChroMagar |
| This fungus is Urease POS and Phenol Oxidase POS | Cryptococcus neoformans |
| Contains phenoloxidase, an enzyme that breaks down caffeic acid to melanin, showing a dark brown color | Cryptococcus neoformans |
| Includes mushrooms, known as Club FUngi | Basidiomycota |
| what does the Mycosel agar have? What does it inhibit? | Cycloheximide, gentamicin and chloramphenicol, inhibits some Candida and Cryptococcus |
| Bird-Seed Agar is used for? | Cryptococcus neoformans (brown colonies) |
| Corn meal agar is used for? | Candida albicans |
| Fluoresce yellow/green when examined with a woods lamp, colonies are slow growing, flat and gray with a salmon link reverse | Microsporum audouinii |
| Most common human dermatophyte, associated with chronic Tinea corporis, Tinea pedis, and Tinea uguium infections | Trichophyton rubrum |
| Black dot ring worm, "matchstick microconidia" | Trichophyton tonsurans |
| Causes favus (severe tinea capitis) | T. schoenleinii |
| What causes Tinea versicolor? | Malassezia furfur |
| What causes TInea nigra? | Phaeoannellomyces werneckii |
| What causes Black Piedra? | Piedraia hortae |
| What causes White Piedra? | Trichosporon beigellii |
| CSF infection will have what levels of WBC, glucose and proteiN? | Low WBC, Low Glucose, high protein |
| Amphotericin B or flucytosine treat this fungus | Cryptococcus neoformans |
| What cryptococcus is associated with the Eucalyptus tree? | C. gatti |
| This Candida spp is smaller than others, cant produce hyphae or pseudohyphae | Candida glabrata |
| This commensal of the skin likes that olive oil | Malassezia |
| Produces blue-green colonies with a distinct white apron and light colored reverse. | Aspergillus fumigatus |
| Produces yellow-green to olive and brown colonies with a light colored reverse. | Aspergiullus flavus |
| Dark brown or black surface, light colored reverse | Aspergillus niger |
| Tear shaped microconidia, "birds on a telephone wire" appearance | Trichophyton rubrum |
| "cigar shaped" microconidia | Trichophyton tonsurans |
| Grape like clusters and occasional spiral hyphae | T. mentagrophytes |
| Culture is orange cream colored, wavy and glabrous. macroconidia are oval shaped and have rounded ends with 3 to 6 cells | Microsporum gypseum |
| Grow rapid in vivo and cultures, known to be lid lifters | Mucormycetes (zygomycetes) |
| Associated with the San Joaquin Valley Fever, Desert Fever, and Balley Fever | Coccidioides immitis |
| Mariner's Wheel yeast (circumferential budding) | Paracoccidioides brasiliensis |
| Most prevalent in middle-aged men. Double contoured yeast cell walls, "lolipop" form mycelium. Primary infections cause flu like symptoms. | Blastomyces dermatitidis |
| Produces elongated "cigar-shaped" yeast cells that measure 4-5 um. Cause Rose gardener's disease (traumatic inoculation through skin) | Sporothrix schenckii |
| Associated with intersitial plasma cell pneumonia | Pneumocystis carinii |
| Associated with type II diabetes and keto acidosis, infections begin in the sinuses. | Lichtheimia spp |
| Scaly, wart lesions, Flask like conidiophore | Phialophora verrucosa |
| Common in damp buildings, allergic reactions; destroy books "block mold" | Chaetomium spp |
| Cauliflower like lesions on hand | Fonsecaea pedrosoi |
| The isolate that most commonly causes UTIs secondary to E coli is? | Staph Saprophyticus |
| what morphological feature identifies Candida albicans and distinguishes it from most of the other candida species? | Chlamydospore |
| Causes mycetoma, lymphocutaneous infections and cellulitis | Nocardia brasiliensis |
| Causes respiratory infection but may disseminate in a small percentage of patients | Coccidioides immitis |
| What causes black piedra, a disease that is characterized by the formation of brown or black nodules which are attached to the hair shaift. | Piedraia hortae |
| one of the common zygomyces species causing tissue infections, invasive hyphae have erect sporangiospores with brown rhizoids that anchor to cells | Rhizopus species |
Created by:
kisselr
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