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Your laboratory received an unstained blood slide from an EQA provider with a request to look for malaria parasites. Which of the following choices would you do to insure this sample is reported correctly?
stain the slide with fresh reagents and give to the supervisor to examine
stain and read the slide using your best employees, then call neighboring laboratories to confirm results
examine the slide in the same way the laboratory routinely handles patients samples
stain the slide with fresh reagents and ask all employees that do malaria smears to examine it and compare answers