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Parasitology Introduction

Terms in this set (18)

Definitive host
Parasite reaches sexual maturity
Intermediate host
Parasite undergoes developmental stages to reach maturity
Modes of parasitic infection
Filth-borne, soil or water borne (fecal), food-borne (fecal or larvae in muscle), arthropod-borne
2 vial system contains
PVA fixative and 10% formalin
1 vial system advantage and disadvantage
Advantage: immunoassays can be performed
Disadvantage: staining not consistent for protazoa
Smears for staining are made from which vial?
PVA
Wet mounts are made from which vial?
10%formalin
Which tube is used for formalin-ethyl acetate concentration?
PVA or formalin vials
Feces with x-ray contrast media such as barium should be
Rejected
If patient is to take antibiotics, feces should be collect before or after treatment?
Before antibiotic treatment
Which method is more efficient, formalin-ethyl acetate concentration or zinc sulfate flotation method?
Formalin-ethyl acetate sedimentation concentration method
Trichrome stain is used for
Intestinal protozoa
Modified Trichrome stain is used for
Microsporidia
Iron hematoxylin stain is for
Intestinal protozoa
Cellophane tape test
Pin worm, Enterobius vermicularis
Modified Kinyoun AF stain
Specimens form immunocompromised patients
Blood smear prep
Blood parasites
Knott Technique for concentrating
Microfilariae in blood
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