Identify culture methods and conditions used for blood, wound, urine, fecal, and genital specimens.Describe the standard procedure for obtaining and culturing a throat culture and a blood sample. What special precautions must be taken while obtaining the blood sample?Why is it important to process clinical specimens as rapidly as possible? What special procedures and precautions are necessary for the isolation and culture of anaerobes? Explain why direct gram stains are not typically performed on the throat, nasopharyngeal, or stool specimens.

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Identify culture methods and conditions used for blood, wound, urine, fecal, and genital specimens.

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter19: Biomedical Laboratory Instrumentation

Section: Chapter Questions

Problem 2RT

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Question

Identify culture methods and conditions used for blood, wound, urine, fecal, and genital specimens.
Describe the standard procedure for obtaining and culturing a throat culture and a blood sample. What special precautions must be taken while obtaining the blood sample?
Why is it important to process clinical specimens as rapidly as possible? What special procedures and precautions are necessary for the isolation and culture of anaerobes?
Explain why direct gram stains are not typically performed on the throat, nasopharyngeal, or stool specimens.

Definition Definition Technique that uses crystal violet or methylene blue as primary staining colors to distinguish gram-positive from gram-negative organisms. Under a microscope, the gram-positive organisms appear purple-brown, retaining the primary color. Gram-negative organisms appear pink or red as they do not acquire the color of the primary stain.

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