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POD Exam 2 > Opportunistic Fungal infections > Flashcards

Opportunistic Fungal infections Flashcards

1
Q

name a type of Candida species

A

albicans

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2
Q

where is candida normally found

A

Oral cavity
GI
Genital tracts

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3
Q

what are some disease risk factors for candida

A

AIDS, diabetes

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4
Q

candida is what type of fungi

A

dimorphic fungi

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5
Q

where can superficial candida disease occur

A

thrush
vaginal
dermiatitis
nails

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6
Q

what is thrush

A

white patches on oral mucosa

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7
Q

what is an example of candida thrush

A

diaper rash

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8
Q

what stain techniques can be used for candida albicans

A

KOH

PAS

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9
Q

what is a test that is very specific to Candida

A

germ tube test

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10
Q

what is the colony morphology for candida

A

white, smooth creamy, sometimes wrinkled

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11
Q

in laboratory identification what does candida produce

A

chlamydospore

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12
Q

what type of fungis is aspergillus

A

not dimorphic

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13
Q

what type of hyphae is aspergillus

A

septate

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14
Q

what type of arrangement does aspergillus make

A

conidial arrangement (45 degrees)

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15
Q

what type of branching does aspergillus make

A

dichotomous branching/ acute branching angle

45 degrees

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16
Q

what are two avenues for diagnosis for aspergillis

A

Direct and culture

17
Q

what is the disease spectrum for aspergillosis

A

allergy
sinusitis
-PULMONARY ASPERGILLOSIS
-DISEMINATED ASPERGILLOSIS

18
Q

classification of zygomycetes

A

Mucormyosis : filament fungi

19
Q

zygomycetes lack what

A

septa

20
Q

zygomycetes infects what part of the body

A

soft tissue

21
Q

Rhinocerebral mucormycosis occurs as a terminal event in patients with

A

acidosis

uncontrolled diabetes

22
Q

where in the body does rhinocerebral mucorymycosis occur

A

nasal sinuses and invade surrounding tissue

23
Q

what are some clinical symptoms for rhinocerebral mucorymycosis

A

facial pain,
change in mental status
headache

24
Q

what is so special about cryptococcosis neofroms

A

only one with capsule

25
Q

where is cryptococus neofroms found

A

pigeon droppings

26
Q

how does cryptococus neofroms infect the body

A

phenol oxidase positive blocks epinephrine

27
Q

cryptococcus neofroms can cause what

A

pneumonia and meningitis

28
Q

what can be used for diagnosis for cryptococcus neoforms

A 
India Ink 
serological test (detects antigen)
29
Q

what does pneumocystis carni lack

A

ergosterol

30
Q

what does pneumocystis have similar to fungi

A

DNA and ribotyping

31
Q

who usually gets pneumocystis

A

aids patients

32
Q

what does pneumocystis look like under microscope

A

round cup in gomori’s methenamine silver stain

POD Exam 2 (28 decks)

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