Laboratory
skills
, Collecting blood for a blood smear
The document provides instructions for staining techniques and preparing skin scrapings for microscopic examination. It emphasizes the proper storage of staining solutions and the precise dipping process for slides. For skin scrapings, different mites require specific sampling methods: Sarcoptes mites are found in the stratum corneum layer and require multiple wide superficial scrapings from various lesions. Demodex mites inhabit hair follicles, necessitating deeper scrapings and skin squeezing during sampling. Cheyletiella mites are identified through wide superficial scrapings of scaly lesions, which are then placed in mineral oil for microscopic examination.
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