Parasites Flashcards

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1
Q

Purpose & principle for modified acid fast stain

A

For Cryptosporidium parvum & C. hominis/Cyclospora cayetanensis with acid fast stain
Organism stains as bright red sphere, yeast stains green

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2
Q

Purpose & principle for Wright Giemsa & Giemsa stain

A

Primarily used to differentiate intracellular & extracellular circulatory blood parasites, viral & chlamydia inclusions, toxoplasmonic, P. jirovecki, Rickettsia

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3
Q

Trichrome stain purpose & principle

A

ID of Trophozoites, occasionally cysts & for confirmation of species

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4
Q

H & E stain

A

Primarily a tissue stain that may help ID parasites harboring in tissue

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