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Microbiology > Parasite and Fungi fun facts > Flashcards

Parasite and Fungi fun facts Flashcards

1
Q

Latex agglutination for antigen

A

Cryptococcosis

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2
Q

Complement fixation or immunodiffusion for antibody

A

coccidiodomycosis

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3
Q

enzyme immunoassay for antigen

A

Histoplasmosis

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4
Q

EIA for galactomannan Ag

A

Aspergillosis

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5
Q

nephrotoxicity

A

Amphotericin B

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6
Q

changes in light perception

A

voriconazole

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7
Q

Binds to ergosterol

A

Polyenes (amphotericin)

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8
Q

Inhibits lanosterol 14alpha-demethlyase cytochrome P-450 dependent enzymes

A

Azoles

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9
Q

blocks synthesis of beta-1.3-dglucan effective for aspergillus and candida

A

Echinocandins-__________fungin

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10
Q

5-FC deaminated to 5-Fu inhibition of DNA and RNA synthesis

A

Antimetabolites-flucytosine

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11
Q

Wood lamp-yellow

A

Pityriasis/Tinea Versicolor- Malassezia furfur

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12
Q

olive oil culture with spaghetti and meatballs as result

A

pityriasis/tinea versicolor-malassezia furfur

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13
Q

whitfield ointment

A

Tinea nigra

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14
Q

Positive hair perforation

A

Trichophyton mentagrophytes

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15
Q

negative hair perforation

A

Trichophyton rubrum

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16
Q

daisy petal culture

A

Lymphocutaneous sporotrichosis-sporothrix schenckii

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17
Q

copper pennies culture

A

chromoblastomycosis-cladosporium, fonsecaea pedrosoi

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18
Q

Squamous cell carcinoma differential diagnosis

A

chrmoblastomycosis-cladosporium, fonsecaea pedrosoi

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19
Q

serosanguineous fluid with visible granules from sinus tracts

A

eumycotic mycetoma

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20
Q

surgical excision of cyst for diagnosis

A

Subcutaneous phaeohyphomycosis

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21
Q

Fontana-Masson stain for melanin

A

Subcutaneous phaeohyphomycosis

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22
Q

spherules in alveoli

A

Coccidiodomycosis

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23
Q

barrel shaped arthroconidia

A

Coccidiodomycosis

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24
Q

Only in California

A

Coccidiodomycosis immitis

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25
Q

Coin lesion

A

Blastomycosis, histoplasmosis, coccidiodomycosis

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26
Q

Mariener’s wheel

A

Paracoccidiodomycosis

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27
Q

serologic testing in blood and urine

A

Histoplasmosis

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28
Q

Mechanical barrier interuption-catheters, heart valves, pacemakers, prosthetic joints

A

Candidiasis

29
Q

Grunulocyte dysfunction-Chemotherapy, bone marrow transplant

A

Aspergillosis, Zygomycosis, Candidiasis

30
Q

depressed cell mediated immunity-Steroid therapy, organ tranpslant, AIDS

A

Candidiasis, coccidiolmycosis, cryptococcocis, histoplasmosis, pneumocystosis

31
Q

Phenotypic switching

A

Candididiasis

32
Q

normal microflora

A

candidiasis

33
Q

CHROMagar

A

candidiasis

34
Q

Birdseed/niger seed agar

A

Cryptococcosis

35
Q

Bathroom

A

Rodotorula

36
Q

Acute angle hyphae

A

Aspergillosis

37
Q

Ninety degree angle hyphae

A

zygomycosis

38
Q

Resistance to voriconazole

A

Zygomycosis

39
Q

Lid lifter

A

zygomycosis-mucor

40
Q

White forward/black reverse Sabouraud plate

A

Philophora verrucosa

41
Q

black foward/white reverse sabouraud plate

A

Aspergillus niger

42
Q

No budding

A

Pneumocystosis

43
Q

2 serum tests IgM first then IgG

A

Toxoplasma gondii

newborn just IgM

44
Q

atovaquone

A

toxoplasma gondii

45
Q

high in Michigan

A

Cryptosporidium, Giardia lamblia

46
Q

AIDS indicator

A

Cryptosporidium

47
Q

Acid fast stain

A

Cryptosporidium

48
Q

flask shaped ulcer

A

entamoeba histolytica

49
Q

improper contact handling

A

ancathamoeba

50
Q

exists only as a trophozoite

A

trichomonas vaginalis

51
Q

microscopic examination has to be wet and warm

A

trichomonas vaginalis

52
Q

Smiley face with mustache

A

giardia lamblia

53
Q

Smiley face w/o mustache

A

trichomonas vaginalis

54
Q

sandfly

A

leishmania donovani

55
Q

high IgG–> glomerulonephritis

A

Leishmania donovani

56
Q

Tsetse fly

A

trypanosoma brucei

57
Q

Massive B cell activation (IgM)

A

trypanosoma brucei

58
Q

highly variable surface glycoprotein that is switched to avoid immune response in blood

A

trypanosoma brucei

59
Q

Kissing bug/triatomid/reduvidd bug

A

trypanosoma cruzi

60
Q

prefer tissues of mesenchymal origin

A

trypanosoma cruzi

61
Q

rats, cats and dogs are definitive hosts

A

trypanosoma cruzi

62
Q

loss of parasympathetic and cardiac intrinsic signaling

A

trypanosoma cruzi

63
Q

hyperinfection

A

strongyloids stercoralis

64
Q

infective larvae in stool very infective health care workers

A

strongyloides stercoralis

65
Q

no eggs in stool because no adult worms

A

toxarcar canis- dog roundworm

66
Q

no egg laying

A

trichinella spiralis

67
Q

Thin skin snips diagnosis

68
Q

pseudotubercles (white granulomas) in liver

A

schistosoma

69
Q

criss cross burrowing tracks

Microbiology (10 decks)

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