Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
97 Cards in this Set
- Front
- Back
Type of Hyphae? A.Pseudohyphae B.Septate C.Aseptate |
Aseptate |
|
Type of Hyphae? A.Aseptate B.Septate C.Pseudohyphae |
Septate |
|
Type of Hyphae? A.Pseudohyphae B.Aseptate C.Septate |
Pseudohyphae |
|
Name of structure? A.Arthroconidia B.Macroconidia C.Phialide D.Blastoconidia |
Phialide |
|
Name of structure? A.Blastoconidia B.Phialide C.Microconidia D.Arthroconidia |
Blastoconidia |
|
Name of structure(s)? A.Microconidia B.Arthroconidia C.Macroconidia D.Phialide |
Microconidia |
|
Name of structure(s)? A.Macroconidia B.Phialide C.Arthroconidia D.Microconidia |
Macroconidia |
|
Name of structure(s)? A.Phialide B.Macroconidia C.Phialide D.Arthroconidia |
Arthroconidia |
|
Purpose of Sabouraud Dextrose media? |
Good for subcultures |
|
Purpose of Brain Heart Infused media? |
Enriched/recommended for fastidious pathogenic fungi |
|
Purpose of Mycosel media? |
Contains cyclohexamide ‐ Good for dimorphic fungi and dermatophytes |
|
Purpose of Birdseed media? |
Selective and differential for Cryptococcus neoformans, contains caffeic acid |
|
Purpose of Cornmeal media? |
Differentiation of Candida |
|
Purpose of Potato Dextrose media? |
Stimulates conidium production and pigmentation in molds |
|
Type of direct examination? A.Periodic Acid Schiff stain B.Calcofluor White Stain C.India Ink D.Gomori Methenamine Silver stain |
Calcofluor White Stain |
|
Type of direct examination? A.India Ink B.Gomori Methenamine Silver stain C.Calcofluor White Stain D.Periodic Acid Schiff stain |
Calcofluor White Stain |
|
Type of direct examination? A.Gomori Methenamine Silver stain B.Calcofluor White Stain C.Periodic Acid Schiff stain D.India Ink |
India Ink |
|
What is India Ink used to differentiate? |
Cryptococcus neoformans |
|
Type of direct examination? A.Periodic Acid Schiff stain B.Calcofluor White Stain C.Gomori Methenamine Silver stain D.India Ink |
Periodic Acid Schiff stain |
|
Type of direct examination? A.Calcofluor White Stain B.India Ink C.Periodic Acid Schiff stain D.Gomori Methenamine Silver stain |
Gomori Methenamine Silver stain |
|
What are the two orders of the Zygomycete class? |
Mucorales & Entomophthorales |
|
List some characteristics of the Zygomycetes.
*type of hyphae *type of reproduction *where they appear in the environment *are they pathogens, opportunists, or contaminants? |
Aseptate hyphae, asexual reproduction (sporangiospores), ubiquitous in the environment, opportunists.
|
|
Modes of transmission for Mucorales?
|
Inhalation, traumatic implantation, ingestion |
|
Risk factors for Mucorales? |
Diabeetus, Chemo, steroids, burn wounds, IVDU, Deferoxamine, broad spectrum antibiotics. **they are angioinvasive** |
|
3 most common disease manifestations for Mucorales? |
Rhinocerebral, Pulmonary, Cutaneous |
|
Identify A. Cunninghamella bertholletiae B. Mucor spp. C. Absidia corymbifera D.Saksenae vasiformis |
Mucor spp. |
|
Identify A. Cunninghamella bertholletiae B.Mucor spp. C.Absidia corymbifera D.Saksenae vasiformis |
Cunninghamella bertholletiae |
|
Identify A.Absidia corymbifera B.Cunninghamella bertholletiae C.Saksenae vasiformis D.Mucor spp. |
Saksenae vasiformis |
|
Identify A.Mucor spp. B.Saksenae vasiformis C.Cunninghamella bertholletiae D.Absidia corymbifera |
Absidia corymbifera |
|
Identify A.Rhizomucor spp. B.Syncephalastrum C.Apophysomyces elegans D.Rhisopus spp. |
Syncephalastrum |
|
Identify A.Rhizomucor spp. B.Apophysomyces elegans C.Syncephalastrum D.Rhisopus spp. |
Rhisopus spp. |
|
Identify A.Syncephalastrum B.Rhizomucor spp. C.Rhisopus spp. D.Apophysomyces elegans |
Rhizomucor spp. |
|
Identify A.Rhisopus spp. B.Apophysomyces elegans C.Rhizomucor spp. D.Syncephalastrum |
Apophysomyces elegans |
|
Identify A.Syncephalastrum B.Basidiobolus C.Conidiobolus D.Rhizomucor spp. |
Conidiobolus |
|
Identify A.Rhisopus spp. B.Conidiobolus C.Basidiobolus D.Apophysomyces elegans |
Basidiobolus |
|
What 3 kinds of illness do Dematiaceous molds cause? |
Chromoblastomycosis, Phaeohyphomycosis, Mycetoma |
|
Identify A.Scedosporium apiospermum B.Fonsecaea pedrosoi C.Bipolaris spp. D.Exophiala jeanselmei |
Bipolaris spp. |
|
Identify A.Scedosporium apiospermum B.Phialophora verrucosa C.Exophiala jeanselmei D.Exserohilum spp. |
Exserohilum spp. |
|
Identify A.Exophiala jeanselmei B.Fonsecaea pedrosoi C.Phialophora verrucosa D.Alternaria spp. |
Alternaria spp. |
|
Identify A.Curvularia spp B.Exophiala jeanselmei C.Scedosporium apiospermum D.Phialophora verrucosa |
Curvularia spp |
|
Identify A.Cladosporium spp. B.Phialophora verrucosa C.Exophiala jeanselmei D.Scedosporium apiospermum |
Cladosporium spp. |
|
Identify A.Phialophora verrucosa B.Scedosporium apiospermum C.Fonsecaea pedrosoi D.Exophiala jeanselmei |
Fonsecaea pedrosoi |
|
Identify A.Exophiala jeanselmei B.Phialophora verrucosa C.Scedosporium apiospermum D.Phialophora verrucosa |
Scedosporium apiospermum |
|
Identify A.Fonsecaea pedrosoi B.Exophiala jeanselmei C.Scedosporium apiospermum D.Phialophora verrucosa |
Phialophora verrucosa |
|
Identify A.Phialophora verrucosa B.Scedosporium apiospermum C.Exophiala jeanselmei D.Fonsecaea pedrosoi |
Exophiala jeanselmei |
|
Identify A.Acremonium spp B.Aspergillus niger C.Exophiala dermatitidis D.Aspergillus |
Exophiala dermatitidis |
|
Identify A.Exophiala dermatitidis B.Aspergillus C.Acremonium spp D.Aspergillus niger |
Acremonium spp |
|
Identify A.Aspergillus niger B.Exophiala dermatitidis C.Aspergillus D.Acremonium spp |
Aspergillus |
|
Identify A.Aspergillus B.Aspergillus niger C.Acremonium spp D.Exophiala dermatitidis |
Aspergillus niger |
|
Identify A.aecilomyces spp. B.Fusarium spp. C.Aspergillus terreus D.Scopulariopsis spp. |
Aspergillus terreus |
|
Identify A.Fusarium spp. B.Aspergillus terreus C.aecilomyces spp. D.Scopulariopsis spp. |
aecilomyces spp. |
|
Identify A.Scopulariopsis spp. B.aecilomyces spp. C.Aspergillus terreus D.Fusarium spp. |
Scopulariopsis spp. |
|
Identify A.Scopulariopsis spp. B.Fusarium spp. C.Aspergillus terreus D.aecilomyces spp. |
Fusarium spp. |
|
Identify A.Malassezia B.Epidermophyton floccosum C.Trichophyton verrucosum D.Trichophyton mentagrophytes |
Malassezia |
|
Identify A.Trichophyton verrucosum B.Malassezia C.Trichophyton rubrum D.Trichophyton mentagrophytes |
Trichophyton mentagrophytes |
|
Identify A.Microsporum audouinii B.Microsporum gypseum complex C.Malassezia D.Trichophyton rubrum |
Microsporum audouinii |
|
Identify A.Microsporum gypseum complex B.Trichophyton mentagrophytes C.Epidermophyton floccosum D.Malassezia |
Epidermophyton floccosum |
|
Identify A.Trichophyton verrucosum B.Malassezia C.Microsporum gypseum complex D.Microsporum audouinii |
Microsporum gypseum complex |
|
Identify A.Trichophyton mentagrophytes B.Trichophyton tonsurans C.Malassezia D.Microsporum Canis |
Microsporum Canis |
|
Identify A.Microsporum Canis B.Microsporum audouinii C.Trichophyton verrucosum D.Malassezia |
Trichophyton verrucosum |
|
Identify A.Microsporum Canis B.Trichophyton mentagrophytes C.Trichophyton rubrum D.Malassezia |
Trichophyton rubrum |
|
Identify A.Epidermophyton floccosum B.Malassezia C.Trichophyton tonsurans D.Microsporum audouinii |
Trichophyton tonsurans |
|
Identify A.Coccidioides immitis B.Rhodotorula rubra C.Phialophora verrucosa D.Histoplasma capsulatum |
Rhodotorula rubra |
|
Identify from direct exam A.Histoplasma capsulatum B.Blastomyces dermatitidis C.Coccidioides immitis D.Rhodotorula rubra |
Histoplasma capsulatum |
|
Identify from direct exam A.Rhodotorula rubra B.Coccidioides immitis C.Histoplasma capsulatum D.Blastomyces dermatitidis |
Blastomyces dermatitidis |
|
Identify from direct exam A.Blastomyces dermatitidis B.Rhodotorula rubra C.Paracoccidioides brasillensis D.Histoplasma capsulatum |
Paracoccidioides brasillensis |
|
Identify from direct exam A.Histoplasma capsulatum B.Coccidioides immitis C.Rhodotorula rubra D.Blastomyces dermatitidis |
Coccidioides immitis
|
|
Identify from direct exam A.Paracoccidioides brasillensis B.Histoplasma capsulatum C.Sporothrix schenckii D.Blastomyces dermatitidis |
Sporothrix schenckii |
|
Identify from direct exam A.Penicillium marneffei B.Blastomyces dermatitidis C.Sporothrix schenckii D.Paracoccidioides brasillensis |
Penicillium marneffei |
|
Identify from direct exam A.Blastomyces dermatitidis B.Penicillium marneffei C.Paracoccidioides brasillensis D.Histoplasma capsulatum |
Histoplasma capsulatum |
|
Identify A.Paracoccidioides brasillensis B.Histoplasma capsulatum C.Coccidioides immitis D.Blastomyces dermatitidis |
Blastomyces dermatitidis |
|
Identify A.Blastomyces dermatitidis B.Sporothrix schenckii C.Histoplasma capsulatum D.Coccidioides immitis |
Coccidioides immitis |
|
Identify A.Sporothrix schenckii B.Histoplasma capsulatum C.Paracoccidioides brasillensis D.Coccidioides immitis |
Sporothrix schenckii |
|
Identify A.Paracoccidioides brasiliensis B.Coccidioides immitis C.Sporothrix schenckii D.Histoplasma capsulatum |
Paracoccidioides brasiliensis |
|
Identify A.Histoplasma capsulatum B.Blastomyces dermatitidis C.Coccidioides immitis D.Penicillium marneffei |
Histoplasma capsulatum |
|
Identify A.Coccidioides immitis B.Penicillium marneffei C.Blastomyces dermatitidis D.Sporothrix schenckii |
Penicillium marneffei |
|
Which of the following is an example of a non selective medium used for the primary isolation of fungus? A. Inhibitory Mold agar B. Mycosel agar C. Brain heart infusion agar D. Birdseed agar |
Brain heart infusion agar |
|
Which of the following is a risk factor for infection with a zygomycete fungus? A. Travel to Asia B. Pregnancy C. Sharing razors D. Diabetes mellitus |
Diabeetus |
|
You have received biopsy specimens from a lung mass. Multiple septate hyphae are noted on a direct smear from the tissue. After 4 days of incubation, you see dark green colonies with a light border and white reverse. The conidiophores are smooth, with phialides covering 2/3 of the vesicle. What is the most likely identification of this organism? A. Penicillium marneffei B. Aspergillus niger C. Aspergillus fumigatus D. Paecilomyces lilacinus |
Aspergillus fumigatus |
|
Which of the following is a structure involved in sexual reproduction? A.Ascus B.Macroconidia C. Favic chandeliers D.Phialide |
Ascus |
|
Which of the following is an example of a non selective medium used for the primaryisolation of fungus? a. Inhibitory Mold agar b. Mycosel agar c. Brain heart infusion agar d. Birdseed agar |
c. Brain heart infusion agar |
|
The direct stain seen in the picture below is used for the detection of which of thefollowing organisms? |
Cryptococcus neoformans |
|
Which of the following is a risk factor for infection with a zygomycete fungus? a. Travel to Asia b. Pregnancy c. Sharing razors d. Diabetes mellitus |
d. Diabetes mellitus |
|
Which of the following is a structure involved in sexual reproduction? a. Ascus b. Macroconidia c. Favic chandeliers d. Phialide |
a. Ascus |
|
You have received biopsy specimens from a lung mass. Multiple septate hyphae arenoted on a direct smear from the tissue. After 4 days of incubation, you see dark greencolonies with a light border and white reverse. The conidiophores are smooth, withphialides covering 2/3 of the vesicle. What is the most likely identification of thisorganism? a. Penicillium marneffei b. Aspergillus niger c. Aspergillus fumigatus d. Paecilomyces lilacinus |
c. Aspergillus fumigatus |
|
Corneal scrapings are submitted for fungal culture and the culture grows a dark olivegreen colony with a light grey wooly surface. A lactophenol cotton blue preparation isseen below. What is the most likely identification of this organism? |
Curvularia |
|
A sinus specimen from a patient on long term steroid therapy is received for fungalculture. The direct smear reveals aseptate hyphae and the culture grows the organismseen below. What is the most likely identification of this organism? a. Mucor b. Rhizopus c.Cunninghamella d. Absidia |
b. Rhizopus |
|
The yeast seen below is isolated from a peritoneal fluid. The organism is germ tubenegative, urea positive and displays oval budding yeast with no pseudohyphae on cornmealagar. What is the most likely identification of this organism? |
Rhodotorula rubra |
|
A small, oval budding yeast is isolated from several positive blood cultures. The yeastdisplays the following characteristics:Cornmeal: small, oval yeast; no pseudohyphae producedGerm tube: Negative Trehalose fermentation: positive a. Candida glabrata b. Candida tropicalis c. Candida krusei d. Candida albicans |
a. Candida glabrata |
|
Cryptococcus gattii is an emerging cause of disease and is morphologically similar toCryptococcus neoformans. Which of the following will reliably differentiate these twoorganisms? a. Urease positivity b.Production of brown colonies on birdseed agar c.Growth and blue color production on CGB agar d. Positive staining with India ink |
c. Growth and blue color production on CGB agar |
|
In the United States which of the following organisms would be the most likely to be a causeof mycetoma? a. Fonsecaea pedrosoi b. Scedosporium apiospermum c. Bipolaris spicifera d. Phialophora verrucosa |
b. Scedosporium apiospermum |
|
The organism seen below is isolated from a skin biopsy of a patient with subcutaneousphaeohyphomycosis. This organism has a predilection to spread and infect which of thefollowing? a. Bone b. Central nervous system c. Lung d. Skeletal muscle |
b. Central nervous system |
|
a man presents to his physician with nodular and ulcerative lesions on his hands. Fungusculture grows the organism seen below On cornmeal agar the organism displays round cells of differing sizes and sporangia withendospores. What is the most likely identification of this organism? a. saccharomyces cerevisiae b. Geotrichum candidum c.Prototheca wickerhamii d. Candida krusei |
c.Prototheca wickerhamii |
|
Hair clippings containing small, hard, black nodules are received for fungal culture. Which ofthe following organisms with the appropriate colony characteristics will most likely beidentified? |
Piedraia hortae; slow growing dematiaceous mold |
|
A biopsy specimen is submitted for fungal culture from a patient with chromoblastomycosis.On direct exam what would most likely be seen? |
Round brown cells with a single or 2 intersecting septa |
|
Skin scrapings from a patient with athlete’s foot are submitted for fungal culture. The colonyand lactophenol cotton blue preparation of the colony are seen below. What is the mostlikely identification of this organism a. Trichophyton mentagrophytes b. Trichophyton verrucosum c.Trichophyton violaceum d. Trichophyton schoenleinii |
a. Trichophyton mentagrophytes |
|
Which of the following organisms is a cause of fungemia in infants receivinghyperalimentation and requires the addition of long chain fatty acids to media for growth? a. Trichosporon beigelii b. Malassezia furfur c. Hortaea werneckii d. Malassezia pachydermatis |
b. Malassezia furfur |