Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Chapter 15.3, Problem 3NP
NCLEX® PREX
3. When determining the clinical significance of cultures,
- a. the number of microbes is significant.
- b. the presence of a single colony of a true pathogen may indicate the presence of the disease if the culture comes from a site known to be sterile (i.e., cerebrospinal fluid).
- c. the repeated isolation of a relatively pure culture of any microorganism can mean it is an agent of disease, although this is not always the case.
- d. a range of tests may be needed to identify a pathogen.
- e. all of the above are true.
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When determining the clinical significance of cultures, a. the number of microbes is signifi cant. b. the presence of a single colony of a true pathogen may indicate the presence of the disease if the culture comes from a site known to be sterile (i.e., cerebrospinal fl uid). c. the repeated isolation of a relatively pure culture of any microorganism can mean it is an agent of disease, although this is not always the case. d. a range of tests may be needed to identify a pathogen. e. all of the above are true.
the following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed?
a. a microorganism is found to be present in every case of a disease.
b. the same microbe discovered previously is isolated from the purposely infected host
c. the pathogen is isolated and grown in pure culture
d. the same disease results after isolated organism is inoculated into healthy host
Chapter 15 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 15.1 - Prob. 1AYPCh. 15.1 - Provide a one-sentence description for each of...Ch. 15.2 - Identify factors that may affect the...Ch. 15.2 - Prob. 4AYPCh. 15.2 - NCLEX PREX 1. An RN is training a new staff nurse...Ch. 15.2 - NCLEX PREX 2. A clinical form used to report data...Ch. 15.3 - List at least three different tests that fall in...Ch. 15.3 - Prob. 6AYPCh. 15.3 - Discuss two major drawbacks of phenotypic testing...Ch. 15.3 - Q. What technique in this chapter do most home...
Ch. 15.3 - NCLEX PREX 3. When determining the clinical...Ch. 15.4 - Define the term serology, and explain the...Ch. 15.4 - Identify two immunological diagnostic techniques...Ch. 15.4 - Prob. 2MMCh. 15.5 - Explain why PCR is useful for infectious disease...Ch. 15.5 - Name two examples of techniques that employ...Ch. 15.5 - Explain how whole-genome sequencing can be used...Ch. 15.5 - Prob. 13AYPCh. 15.5 - Prob. 3MMCh. 15.6 - Describe the benefits of lab on a chip...Ch. 15.6 - Prob. 15AYPCh. 15 - When using pulsed-field gel electrophoresis,...Ch. 15 - Explain why it is possible to identify some...Ch. 15 - Serotyping identifies distinct members of the same...Ch. 15 - Prob. 4QCh. 15 - Name some bacterial structures that might be...Ch. 15 - You perform a lumbar puncture on a patient with...Ch. 15 - Which category of diagnosis is represented by...Ch. 15 - Write a paragraph that explains the mycobacterial...Ch. 15 - You inoculated a biochemical test strip with a...Ch. 15 - Prob. 10QCh. 15 - You perform a Kirby-Bauer disk diffusion test to...Ch. 15 - Why might culture conditions affect the results of...Ch. 15 - Which of the following techniques is most likely...Ch. 15 - Why is it more important to use selective media...Ch. 15 - What type of diagnostic method do you think would...Ch. 15 - T or F: Bacterial infection causes the expression...Ch. 15 - Prob. 17QCh. 15 - Prob. 18QCh. 15 - Prob. 19QCh. 15 - When PCR is performed by hand (not with a...Ch. 15 - What kind of a control would be important to run...
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