Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 28, Problem 4TQ
Summary Introduction
To review:
The ways by which anaerobic pathogen grows and makes toxins in the fish products. Also, propose several rational theories that state hindrance in the development of a vaccine against botulism.
Introduction:
Foodborne botulism is rare but fatal. It is caused by ingesting the botulinum toxins, which form in contaminated food. The toxins of Botulinum are ingested through improperly processed food contaminated with Clostridium botulinum or their spores. The toxin affects the nervous system, which is characterized by paralysis that can even cause respiratory failure.
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Flasks A and B contain broth, and are inoculated with an identical number of bacteria that are facultative anaerobes. Flask A contains a triglyceride lipid as the sole nutrient source, and Flask B contains a monosaccharide called fructose as the sole nutrient source. Both flasks are incubated at 30°C with aeration (oxygen is added to the broth). Assume the bacteria are capable of catabolism of both fructose and triglycerides.
Mark all the correct statements pertaining to these cultures.
A. Under anaerobic conditions, cells in flask A will produce more ATP
B. Cells from flask B will produce more carbon dioxide
C. Cells from flask B will produce more ATP
D. Flask A will have the greater cell mass
E. Cells from flask A will produce more ATP
F. Cells from flask A will produce more carbon dioxide
G. Flask B will have the greater cell mass
H. Under anaerobic conditions, cells in flask B will produce more ATP
You, a hospital administrator, are confronted by a news reporter who asks about an outbreak in
your hospital caused by the anaerobic sporeformer Clostridium botulinum. Four post-operative
patients have died as a result of the outbreak and 42 patients are currently suffering from
botulism. The reporter asks about your investigation and what is being done to quell the
outbreak. You respond by saying that the following make sense:
(SELECT ALL CORRECT ANSWERS)
Several of the patients who have been diagnosed with C. botulinum consumed salad as part of
their dinner menu (hospital provided).
The local health department, CDC and FDA agencies have been contacted and salad samples
have been sent to these agencies for analysis. All salad products have been removed from
distribution with hospital food service.
0
C. botulinum is a spore-forming bacterial species and the spores are difficult to eliminate but
appropriate measures are being taken to clean rooms where patients reside and the hospital…
A patient was admitted to the ER with severe virulent E. coli bacteremia and was given a high dose of intravenous ciprofloxacin antibiotic, to which the patient was not allergic. The patient develops fever and chills shortly afterward the administration of the antibiotic. Which of the following best describes the probable cause?
Group of answer choices
A. The Gram-negative E. coli released the endotoxin in the form of lipid A from the disintegrated lipopolysaccharides (LPS) upon death by the antibiotic leading to chills and fever.
B. The Gram-negative E. coli released the endotoxin in the form of Protein A from the disintegrated lipopolysaccharides (LPS) upon death by the antibiotic leading to chills and fever.
C. The Gram-positive E. coli released the endotoxin in the form of Protein A from the disintegrated lipopolysaccharides (LPS) upon death by the antibiotic leading to chills and fever.
D. The Gram-positive E. coli released the endotoxin in the form of lipid A from the…
Chapter 28 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 28.1 - Prob. 1TQCh. 28.1 - Prob. 2TQCh. 28.2 - Prob. 1TQCh. 28.2 - Prob. 2TQCh. 28.2 - Prob. 3TQCh. 28.2 - Prob. 4TQCh. 28.2 - Prob. 5TQCh. 28.3 - Prob. 1TQCh. 28.3 - Prob. 2TQCh. 28.4 - Prob. 1TQ
Ch. 28 - Prob. 1RQCh. 28 - Prob. 2RQCh. 28 - Prob. 3RQCh. 28 - Prob. 4RQCh. 28 - Prob. 5RQCh. 28 - Prob. 6RQCh. 28 - Prob. 7RQCh. 28 - Prob. 8RQCh. 28 - Prob. 9RQCh. 28 - Prob. 10RQCh. 28 - Prob. 11RQCh. 28 - Prob. 12RQCh. 28 - Prob. 13RQCh. 28 - Prob. 14RQCh. 28 - Prob. 15RQCh. 28 - Prob. 16RQCh. 28 - Prob. 17RQCh. 28 - Prob. 1TQCh. 28 - Prob. 2TQCh. 28 - Prob. 3TQCh. 28 - Prob. 4TQCh. 28 - Prob. 5TQ
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