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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 |