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External parasites
Question | Answer |
---|---|
Materials needed for skin scrapings | Clippers, scalpel, mineral oil, microscope |
1st step for skin scraping | Clip area of interest |
2nd step for skin scraping | Drop of mineral oil on skin |
3rd step for skin scraping | Hold 10 blade between thumb and forefinger |
4th step for skin scraping | Scrape blade on skin, perpendicular |
5th step for skin scraping | Scrape skin off with mineral oil on slide |
Cellophane tape prep: lice or mites on skin | Cellophane tape to area, drop of mineral oil on slide, place tape on mineral oil |
Yeast or bacteria on skin | Cellophane tape to area, drop of sedistain, tape on sedistain |
Impression smear: yeast or bacteria on skin | Press slide on area of interest, let dry, stain |
Ectoparasites | Live on or in the skin surfaces and feeds on them |
Produce infestations | Ectoparasites |
Arthropods | jointed legs |
Kingdom, Phylum, Class, Order, Family, Genus, Species | King Philip came over for good spaghetti |
Phylum: Arthropoda | Class: Insecta, Order: Hymenoptera Ants, bees, wasps |
Class: Insecta, Order: Hemiptera; True bugs” | Some are wingless, some have two sets of wings, |
Bed bugs | Dorsally flattened, wingless |
Class: Insecta, Order: Mallophaga and Anoplura | Lice |
Mallophaga | Biting or chewing |
Mallophaga | Smaller, yellow, large round head, |
Mallophaga | Parasitize birds, dogs, cats, cattle, sheep, goats, and horses |
Anoplura | Sucking |
Anoplura | Red to grey in color |
Anoplura | DO NOT parasitze cats or birds |
Anoplura | Dots ally flattened, wingless, 3 body divisions |