Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 17, Problem 1CTQ
Explain why specimens should be taken aseptically, even when nonsterile sites are being sampled and selective media are to be used, and explain why speed is important in the clinical testing process.
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Explain why specimens should be taken aseptically and processed quickly to ensure accurate results, even when nonsterile sites are being sampled and selective media are to be used.
Explain why is it important to follow proper precautions and use aseptic technique when working with clinical samples.
Identification of an organism does not require a pure culture because Bergey’s Manual will sort out the contaminant.
Identification of an organism does not require a pure culture because Bergey’s Manual will sort out the contaminant.
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Chapter 17 Solutions
Microbiology: A Systems Approach
Ch. 17.1 - Prob. 1AYPCh. 17.1 - Prob. 2AYPCh. 17.1 - Prob. 3AYPCh. 17.1 - Prob. 4AYPCh. 17.2 - Summarize the most common methods used for direct...Ch. 17.2 - Prob. 6AYPCh. 17.2 - Prob. 7AYPCh. 17.3 - Prob. 8AYPCh. 17.3 - Differentiate between sensitivity and specificity.Ch. 17.3 - Explain how fluorescent antibodies can be used in...
Ch. 17.3 - Prob. 11AYPCh. 17.3 - Prob. 12AYPCh. 17.3 - Prob. 13AYPCh. 17.3 - Explain the difference between a direct and an...Ch. 17.4 - Prob. 15AYPCh. 17.4 - Prob. 16AYPCh. 17.4 - Prob. 17AYPCh. 17.5 - Prob. 18AYPCh. 17.5 - List the major advantages of microarray methods of...Ch. 17.5 - Summarize the benefits of using whole-genome...Ch. 17 - Prob. 1MCQCh. 17 - Prob. 2MCQCh. 17 - Prob. 3MCQCh. 17 - Prob. 4MCQCh. 17 - Prob. 5MCQCh. 17 - Prob. 6MCQCh. 17 - Prob. 7MCQCh. 17 - Prob. 8MCQCh. 17 - The Western blot test can be used to identify a....Ch. 17 - Prob. 10MCQCh. 17 - True-False Questions. If the statement is true,...Ch. 17 - Prob. 12TFCh. 17 - Prob. 13TFCh. 17 - Prob. 14TFCh. 17 - Prob. 15TFCh. 17 - Explain why specimens should be taken aseptically,...Ch. 17 - Prob. 2CTQCh. 17 - Explain which type of ELISA can be used to...Ch. 17 - Prob. 4CTQCh. 17 - Prob. 5CTQCh. 17 - Prob. 1VCCh. 17 - From this chapter, figure 17.14. Can you explain...Ch. 17 - Prob. 1CM
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- Describe the difference between batch and continuous culture techniquesarrow_forwardDescribe how the streak-plate method is used to obtain a pure culture and how the resulting culture can be stored.arrow_forwardWhy is it necessary to cut thin sections of the tissue sample from a specimen using a microtome?arrow_forward
- How do eosin-methylene blue (EMB) agar plates work? What organism(s) are they designed to detect? How would a positive test appear on the plate?arrow_forwardWhy is there a need to provide the magnification of a specimen drawn?arrow_forwardDescribe the use of microscopy to identify microorganisms in patient specimensarrow_forward
- - What is a pure culture? - Describe the procedure for making a streak plate from a clinical specimen (like a urine culture). - What is the desired outcome (result) of a streak plate? - Clinically, why is it important to make a pure culture from a clinical specimen? What do you do next in order to treat the patient?arrow_forwardWhy is there a need to use a staining agent in observing the specimen?arrow_forwardWhy are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation?arrow_forward
- Define inoculation, media, and culture, and describe samplingmethods and instruments, and what aspects must be controlled.arrow_forwardDefine the term sterile and explain why sterile instruments and media are necessary to be used in the laboratory.arrow_forwardProvide the appropriate culture media selection and other important work up tests for the following specimens:arrow_forward
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