Micro Flashcards

1
Q

Microsporidium

A

Acid fast
1-2 μm

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2
Q

Cryptosporidium

A

Acid fast
4-6μm

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3
Q

Cyclosporidium

A

Acid fast
8- 10 μm

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4
Q

Cystisospora

A

Acid fast
Oval
15 - 35μm

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5
Q

Inclusion bodies
(MEGALYN)

A

Monocytes - Ehrlichia
Granulocytes - Anaplasma
Lymphocytes - Neorickettsia sennetsu

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6
Q

1,3 β D Glucan present in

A

Candida
Aspergillus
Pneumocystis

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7
Q

1,3 β D Glucan absent in

A

Mucor
Blastomyces
Cryptococcus

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8
Q

Dematiaceous (pigmented) fungi

A

Alternaria
Bipolaris
Curvularia
Cladospora
Exophiala species
Fonsecaea pedrosoi
Phialophora
Madurella species
Scedosporium prolificans.

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9
Q

Paul Bunnell test

A

EBV
Ab cross reacts with sheep RBC
Antibody heterogenicity

Monospot test - Horse RBC

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10
Q

Groove sign

A

Lympho Granuloma venereum
Inguinal ligament as groove between swollen inguinal and femoral lymph nodes

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11
Q

School of fish

A

Chancroid
Painful

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12
Q

Granuloma inguinale

A

Bleeds on touch

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13
Q

Galactomannan assay

A

Invasive aspergillosis

(Presence - 1,3 β D Glucan assay)

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14
Q

Invasive candidiasis

A

Pseudohyphae

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15
Q

Diphtheria toxin is similar to

A

Exotoxin A of Pseudomonas aeruginosa
Inhiniting Elongation factor 2

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16
Q

Lipopolysaccharides

A

Gram negative bacteria

Inner - Lipid A - endotoxin, lethal effect, pyrogenicity
Core - Polysaccharide
Outer - O Antigen - most variable

17
Q

Polyribitol ribose phosphate

A

Hemophilus influenza B

POEMS
Pneumonia
Otitis media
Epiglottitis
Meningitis
Sinusitis

18
Q

Polyribitol ribose phosphate

A

Hemophilus influenza B

POEMS
Pneumonia
Otitis media
Epiglottitis
Meningitis
Sinusitis

19
Q

Waterhouse Fredericksen syndrome

A

B/L adrenal hemorrhages
Meningococci
Rash, purpura

20
Q

Post auricular area

A

Rash - Measles
Lymphadenopathy - Rubella

21
Q

Granulomatous Amoebic Meningoencephalitis

A

Acanthamoeba
Infective stage - Trophozoite
Diagnostic stage - cyst + Trophozoite

Amebic keratitis in contact lens users