Stains Flashcards

1
Q

Giemsa

A

Chlamydia, Borrelia, Ricketsiae, Trypanosomes, Plasmodium

“Certain Bugs Really Try my Patience”

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2
Q

Chlamydia

A

Giemsa

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3
Q

Borrelia

A

Giemsa

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4
Q

Ricketssiae

A

Giemsa

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5
Q

Trypanosomes

A

Giemsa

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6
Q

Plasmodium

A

Giemsa

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7
Q

PAS (periodic acid-schiff)

A

Stains glycogen, mucoplysaccharides; used to diagnose Whipple disease (Tropheryma whipplei)
PASs the sugar

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8
Q

Ziehl-Neelson (carbol fuschin)

A

Acid-fast organisms (Nocardia, Mycobacterium), protozoa (Cryptosporidium oocysts)
Alternative is auramine-rhodamine stain for screening (inexpensive, more sensitive but less specific)

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9
Q

India ink

A

Cryptococcus neoformans (mucicarmine can also be used to stain thick polysaccharide capsule red)

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10
Q

Silver stain

A

Fungi (Pneumocystis), Legionella, Helicobacter pylori

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11
Q

Whipple disease

A

PAS

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12
Q

Nocardia

A

Ziehl-Neelson (carbol fuchsin)

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13
Q

Mycobacterium

A

Ziehl-Neelson (carbol fuchsin)

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14
Q

Cryptosporidium oocysts

A

Ziehl-Neelson (carbol fuchsin)

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15
Q

Cryptococcus neoformans

A

India ink

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16
Q

Pneumocystis

A

Silver stain

17
Q

Legionella

A

Silver stain

18
Q

Helicobacter pylori

A

Silver stain