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Mycology Flashcards

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:

A

Macrophages, NK cells, PMN leukocytes

25
Q

Cryptococcosis in Cattle

A

Cryptococcal mastitis

26
Q

Cryptococcosis in Dog and Cats

A

Pharynx, Paranasal sinuses, CNS, Lungs, Kidney, Joints, Mycetoma

27
Q

Cryptococcosis in Horses

A

Paranasal infection

28
Q

Cryptococcosis in Humans

A

Lungs and CNS (meningitis)

29
Q

Direct examination of C. neoformans

A

CSF and Pus using India ink and Nigrosine

30
Q

Lab Dx of C. neoformans

A

Blood agar, SDA, 25-37°C, Latex agglutination, ELISA, IFA

31
Q

SDA in C. neoformans is inhibited by what?

A

Cycloheximide

32
Q

Morphology of C. neoformans in SDA

A

Wrinkled, whitish, granular colonies

33
Q

Morphology of C. neoformans in SDA upon incubation

A

Slimy, mucoid, cream, brownish

34
Q

C. neoformans produces urease in what agar?

A

Christensen’s urea agar

35
Q

Morphology of C. neoformans in birdseed agar

A

Brown colonies

36
Q

Treatment for Crptococcosis

A

Amphotericin B with flucytosine
Ketoconazole, Fluconazole, Itraconazole

37
Q

B. dermatitidis is found in?

A

Moist Soil, Wooded areas

38
Q

B. dermatitidis affects what?

A

Respiratory tract, causes lung lesions

39
Q

Transmission of B. dermatitidis

A

Inhalation

40
Q

B. dermatitidis presents granulomatous lesions in what animals?

A

Dogs and Humans

41
Q

Lab Dx of B. dermatitidis

A

SDA, Blood agar, 25-37°C

42
Q

Morphology of B. dermatitidis in wet mounts

A

Large spherical thick walled

43
Q

Presents double contoured effect

A

B. dermatitidis

44
Q

Morphology of B. dermatitidis in SDA

A

Moist - grayish, yeastlike colony, white cottony mycelium

45
Q

Morphology of B. dermatitidis in Blood agar (37°C)

A

Creamy, waxy, wrinkled colonies, cream to tani n color

46
Q

Teleomorphic state of B. dermatitidis

A

Ajellomyces dermatitidis

47
Q

Treatment for Blastomycosis

A

Surgical, Amphotericin B, Ketoconazole

48
Q

Coccidioidomyces transmission

A

Inhalation

49
Q

C. immitis is found in

A

Soil of arid areas

50
Q

Morphology of C. immitis in unstainted wet mounts

A

Nonbudding, thick walled spherules

51
Q

Morphology of C. immitis in SDA and Blood agar

A

Flat colonies, moist membranous, coarse cottony, aerial mycelium

52
Q

Morphology of C. immitis when stained with lactophenol blue

A

Barrel shaped arthrospores

53
Q

Treatment for Coccidioidomycosis

A

Amphotericin B, Fluconazole, Ketoconazole

54
Q

Dimorphic fungus

A

Histoplasma

55
Q

Histoplasma capsulatum is found in

A

Soild with feces of bats and birds

56
Q

Transmission of H. capsulatum

A

Inhalation, exogenous

57
Q

Direct examination for H. capsulatum

A

Smears, Stains, FAT

Mycology (1 decks)

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