fungi Flashcards

(57 cards)

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?

24
Q

balstomyces are endemic to?

25
North america blastomycosis is caused by which species of fungi?
blastomyces
26
Lab findings of Blastomycosis?
Thick walled single broad based yeasts
27
Paracoccidioides species Endemic to?
Central and South America
28
Paracoccidioides species causes what disease?
south america blastomycosis
29
Lab findings of Paracoccidioides species?
Multiple buds produced on rounded yeast cell
30
Candida albicans is what type of mycosis?
opportunistic yeast
31
Candida albicans causes what kind of disease?
``` Oral candidiasis (thrush) “Yeast” infections ```
32
Candida albicans is spread how?
Opportunistic infections of mouth, vaginal tract, skin, systemic
33
Candida albicans is ID in lab by seeing what?
Pseudohyphae | Germ tube formation
34
Candida albicans is clinically sampled how?
Vaginal swab, oral swab, blood sample, skin sample
35
which are the two kinds of opportunistic yeast types of mycosis?
Candida albicans, Cryptococcus neoformans
36
Cryptococcus neoformans causes what kinds of disease?
Meningitis
37
Cryptococcus neoformans spread how?
Opportunistic infections, seen in patients with AIDS
38
Cryptococcus neoformans lab identification?
Large polysaccharide capsule (India ink prep)
39
Cryptococcus neoformans is clinically sampled how?
cerebral spinal fluid
40
which type of species is an opportunistic mold?
aspergillus species
41
aspergillus species causes what kind of disease?
systemic spread sometimes pulmonary
42
aspergillus species spread by?
inhalation of spores
43
aspergillus species lab id?
characteristic of spores
44
aspergillus species clinical sample?
sputum
45
Pneumocyctis carinii type of mycosis?
Opportunistic fungus, normal flora in respiratory tract
46
Pneumocyctis carinii disease?
PCP (Pneumocystis carinii pneumonia)
47
what type of species is a opportunicstic mold that infects the person by the inhalation of spores?
aspergillus
48
how is Pneumocyctis carinii spread?
Opportunistic infection seen in AIDS patients
49
Pneumocyctis carinii is identified in lab by what characteristics?
Characteristic fungal morphology, symptoms
50
Pneumocyctis carinii is clinically sampled how?
sputum i
51
what is the species of a fungi that is an opportunistic fungus that spread in AIDS patients?
Pneumocyctis carinii
52
what is the species of a fungi that spread is an opportunistic yeast infection that spreads ussualy in AIDS patients?
Cryptococcus neoformans
53
Aspergillus flavus mycosis?
intoxication
54
Aspergillus flavus causes disease wherei?
toxic effects in the liver and CNS
55
Aspergillus flavus is spread how?
Usually consumption of toxin, contaminated grain
56
Aspergillus flavus is identified in lab by which characteristics?
aflatoxins in food
57
Aspergillus flavus is clinically sampled how?
identification of toxin