Parasites Flashcards
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
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
3
Q
Trichrome stain purpose & principle
A
ID of Trophozoites, occasionally cysts & for confirmation of species
4
Q
H & E stain
A
Primarily a tissue stain that may help ID parasites harboring in tissue