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Mycology Flashcards

(58 cards)

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1
Q

Species are differentiated by biochemical tests

A

Candida

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2
Q

Saprophytes

A

Candida

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3
Q

Normal inhabitant of Digestive Tract, Oral cavity, Vagina

A

Candia albicans

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4
Q

Transmission of candidiasis

A

Endogenous infection

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5
Q

Candida species that implicates mastitis

A

C. albicans, C. krusei. C. parapsilosis

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6
Q

Virulence factor of C. albicans

A

Aspartic proteinases, Hyphal elements

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7
Q

Candidiasis in Puppies, Kittens, Calves, Foals

A

Stomatitis, Enteritis

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8
Q

Candidiasis in Cats

A

Pyothorax and Cystitis

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9
Q

Candidiasis in Swine

A

Infection on lower esophagus, Stomahc ulcers, Diarrhea, Cutaneous candidiasis

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10
Q

Candidiasis in Chickens, Turkeys, Birds

A

Mouth, Esophagus, Crop infections (thrush) Crop mycosis

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11
Q

Cows

A

Mastitis

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12
Q

Candidiasis in mares

A

Metritis and Vaginitis

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13
Q

Candidiasis in Stallions and Bulls

A

Genital Candidiasis

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14
Q

Humans

A

Thrush, candidal vulvovaginatis, AIDS patient are frequently seen

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15
Q

Immune response of candidiasis

A

Cell and Humoral

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16
Q

Lab Dx of C. albicans

A

20% KOH, India ink, Lactophenol cotton blue, Smears, Blood agar, SDA, Germ tube, assimilation tests

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17
Q

Identification of C. albican species

A

Assimilation tests and carbohydrate fermentation

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18
Q

Morphology of C. albican in Smears (G+)

A

Oval, thin walled, budding cells, hyphal fragments

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19
Q

Morphology of C. albicans in SDA

A

Soft, creamy colonies (24-48 hrs)

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20
Q

Treatment of Candidiasis

A

Nystatin, Clotrimazole, Ketoconazole, Amphotericin B

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21
Q

Teleomorphic State of Cryptococcus neoformans

A

Filobasidiella neoformans

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22
Q

Transmission of C. neoformans

A

Exogenous infections

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23
Q

Immune response of C. neoformans

A

Cell and Humoral

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24
Q

Animals infected with C. neoformans are protected bu:

Study These Flashcards
A

Macrophages, NK cells, PMN leukocytes

25
Cryptococcosis in Cattle
Cryptococcal mastitis
26
Cryptococcosis in Dog and Cats
Pharynx, Paranasal sinuses, CNS, Lungs, Kidney, Joints, Mycetoma
27
Cryptococcosis in Horses
Paranasal infection
28
Cryptococcosis in Humans
Lungs and CNS (meningitis)
29
Direct examination of C. neoformans
CSF and Pus using India ink and Nigrosine
30
Lab Dx of C. neoformans
Blood agar, SDA, 25-37°C, Latex agglutination, ELISA, IFA
31
SDA in C. neoformans is inhibited by what?
Cycloheximide
32
Morphology of C. neoformans in SDA
Wrinkled, whitish, granular colonies
33
Morphology of C. neoformans in SDA upon incubation
Slimy, mucoid, cream, brownish
34
C. neoformans produces urease in what agar?
Christensen's urea agar
35
Morphology of C. neoformans in birdseed agar
Brown colonies
36
Treatment for Crptococcosis
Amphotericin B with flucytosine Ketoconazole, Fluconazole, Itraconazole
37
B. dermatitidis is found in?
Moist Soil, Wooded areas
38
B. dermatitidis affects what?
Respiratory tract, causes lung lesions
39
Transmission of B. dermatitidis
Inhalation
40
B. dermatitidis presents granulomatous lesions in what animals?
Dogs and Humans
41
Lab Dx of B. dermatitidis
SDA, Blood agar, 25-37°C
42
Morphology of B. dermatitidis in wet mounts
Large spherical thick walled
43
Presents double contoured effect
B. dermatitidis
44
Morphology of B. dermatitidis in SDA
Moist - grayish, yeastlike colony, white cottony mycelium
45
Morphology of B. dermatitidis in Blood agar (37°C)
Creamy, waxy, wrinkled colonies, cream to tani n color
46
Teleomorphic state of B. dermatitidis
Ajellomyces dermatitidis
47
Treatment for Blastomycosis
Surgical, Amphotericin B, Ketoconazole
48
Coccidioidomyces transmission
Inhalation
49
C. immitis is found in
Soil of arid areas
50
Morphology of C. immitis in unstainted wet mounts
Nonbudding, thick walled spherules
51
Morphology of C. immitis in SDA and Blood agar
Flat colonies, moist membranous, coarse cottony, aerial mycelium
52
Morphology of C. immitis when stained with lactophenol blue
Barrel shaped arthrospores
53
Treatment for Coccidioidomycosis
Amphotericin B, Fluconazole, Ketoconazole
54
Dimorphic fungus
Histoplasma
55
Histoplasma capsulatum is found in
Soild with feces of bats and birds
56
Transmission of H. capsulatum
Inhalation, exogenous
57
Direct examination for H. capsulatum
Smears, Stains, FAT
58

Mycology (1 decks)

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