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fungi Flashcards

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Biology 101 flashcards
1
Q

cutaneus types of Mycosis

A

Trichophyton microsporum, epidermophyton

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2
Q

Dermatophytosis, Ringworm, tinea of groin I feet, hands, beard are foud in what species of fungi?

A

Trichophyton, microsporum , epidermophyton

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3
Q

Which Types of mycosis spread through Direct contact?

A

Cutaneous: trichophyton, Microsporum, epidermophyton

superficial: Malasse Zia

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4
Q

malassezia species and disease?

A

superficial and disease it causes is tinea versicolor or pityriasis

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5
Q

Lab findings if malassezia?

A

hypopigmented spots in skin

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6
Q

when would you take a clinical sample by skin scraping?

which type of mycosis and species names?

A

superficial: malassezia
cutaneous: Cutaneous: trichophyton, Microsporum, epidermophyton

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7
Q

trichophyton species lab findings?

A

Small pencil shaped spores

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8
Q

Microsporum lab findings?

A

Large paddle shaped spores

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9
Q

epidermophyton lab findings?

A

rounded club shaped spores

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10
Q

what type of fungi species causes rose cutters disease?

A

sporothrix

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11
Q

sporothrix species is what kind of mycocis?

A

subcutaneous

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12
Q

how is sporothrix spread?

A

direct contact through piercing of the skin

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13
Q

lab ID of sporothorix?

A

Characteristics hyphal and spore morphology

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14
Q

how would you gather a clinical sample from somebody that you suspected to have rose cutters disease?

A

Sampling of blister exudates, tissue samples

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15
Q

name some systemic fungi species that start of in the respiratory system?

A

coccidioides, histoplasma, blastomyces, paracoccidioides

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16
Q

valley fever

(pulmonary) is caused by which fungi?

A

coccidioides

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17
Q

which species of fungi is mostly spread by inhalation of arthrospores?

A

coccidioides

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18
Q

lab ID of coccidioides?

A

Barrel shaped arthrospores, characteristic “spherules” in tissue

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19
Q

how are coccidioides, histoplasma, blastomyces, paracoccidioides clinically sampled?

A

Sputum or other respiratory samples

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20
Q

which species is spread by inhalation of avian/bat feces?

A

histoplasma species

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21
Q

how is histoplasma species identified in the lab?

A

Tuberculated spores in tissue

Yeasts in phagocytes

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22
Q

what is histoplasmosis caused by?

A

inhalation of avian/bat species which is caused by the fungi species histoplasma

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23
Q

where is histoplasma endemic to?

A

ohio valley?

24
Q

balstomyces are endemic to?

A

SE US

25
Q

North america blastomycosis is caused by which species of fungi?

A

blastomyces

26
Q

Lab findings of Blastomycosis?

A

Thick walled single broad based yeasts

27
Q

Paracoccidioides species

Endemic to?

A

Central and South America

28
Q

Paracoccidioides species causes what disease?

A

south america blastomycosis

29
Q

Lab findings of Paracoccidioides species?

A

Multiple buds produced on rounded yeast cell

30
Q

Candida albicans is what type of mycosis?

A

opportunistic yeast

31
Q

Candida albicans causes what kind of disease?

A 
Oral candidiasis (thrush)
“Yeast” infections
32
Q

Candida albicans is spread how?

A

Opportunistic infections of mouth, vaginal tract, skin, systemic

33
Q

Candida albicans is ID in lab by seeing what?

A

Pseudohyphae

Germ tube formation

34
Q

Candida albicans is clinically sampled how?

A

Vaginal swab, oral swab, blood sample, skin sample

35
Q

which are the two kinds of opportunistic yeast types of mycosis?

A

Candida albicans, Cryptococcus neoformans

36
Q

Cryptococcus neoformans causes what kinds of disease?

A

Meningitis

37
Q

Cryptococcus neoformans spread how?

A

Opportunistic infections, seen in patients with AIDS

38
Q

Cryptococcus neoformans lab identification?

A

Large polysaccharide capsule (India ink prep)

39
Q

Cryptococcus neoformans is clinically sampled how?

A

cerebral spinal fluid

40
Q

which type of species is an opportunistic mold?

A

aspergillus species

41
Q

aspergillus species causes what kind of disease?

A

systemic spread sometimes pulmonary

42
Q

aspergillus species spread by?

A

inhalation of spores

43
Q

aspergillus species lab id?

A

characteristic of spores

44
Q

aspergillus species clinical sample?

A

sputum

45
Q

Pneumocyctis carinii type of mycosis?

A

Opportunistic fungus, normal flora in respiratory tract

46
Q

Pneumocyctis carinii disease?

A

PCP (Pneumocystis carinii pneumonia)

47
Q

what type of species is a opportunicstic mold that infects the person by the inhalation of spores?

A

aspergillus

48
Q

how is Pneumocyctis carinii spread?

A

Opportunistic infection seen in AIDS patients

49
Q

Pneumocyctis carinii is identified in lab by what characteristics?

A

Characteristic fungal morphology, symptoms

50
Q

Pneumocyctis carinii is clinically sampled how?

A

sputum i

51
Q

what is the species of a fungi that is an opportunistic fungus that spread in AIDS patients?

A

Pneumocyctis carinii

52
Q

what is the species of a fungi that spread is an opportunistic yeast infection that spreads ussualy in AIDS patients?

A

Cryptococcus neoformans

53
Q

Aspergillus flavus mycosis?

A

intoxication

54
Q

Aspergillus flavus causes disease wherei?

A

toxic effects in the liver and CNS

55
Q

Aspergillus flavus is spread how?

A

Usually consumption of toxin, contaminated grain

56
Q

Aspergillus flavus is identified in lab by which characteristics?

A

aflatoxins in food

57
Q

Aspergillus flavus is clinically sampled how?

A

identification of toxin

Microbiology (12 decks)

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