Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 20.4, Problem 14CYP
Summary Introduction
To determine:
The difference between enterohemorrhagic, enterotoxigenic, enteroinvasive, enteropathogenic, enteroaggregative, and diffusely adherent strains of E. coli.
Introduction:
Escherichia coli is a bacterium found in a variety of habitats, including the human intestine. It is not highly abundant in the intestine, and is capable of causing intestinal disease.
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Explain the difference between enterotoxigenic, enteroinvasive, enteropathogenic, and enterohemorrhagic strains of E. coli.
Which statement among A-E is false concerning digestive system and gastrointestinal (GI) tract infections?
A) O The more severe forms of gastroenteritis, like dysentery, produce abdominal cramps, fever, and blood.
B) ORehydration and electrolyte replacement are typically the treatment for those with GI tract infections.
C) O Invasive GI tract infections are caused by intracellular pathogens such as Salmonella and certain E coli.
D) O Among protozoal pathogens, Giardia is a major cause of gastroenteritis.
E) O Most GI tract infections are due to viruses.
F) OA-E are all correct.
What are the causative agent mode of transmission and clinical symptoms of enteroaggregative E.coli (EAEC).
Chapter 20 Solutions
Foundations in Microbiology
Ch. 20.1 - Explain the effect of the virulence factor common...Ch. 20.1 - Identify those people most at risk of developing a...Ch. 20.1 - Briefly describe the human infections caused by...Ch. 20.1 - How can antibiotic treatment of a gram-negative...Ch. 20.2 - Name the genera of bacteria that are...Ch. 20.2 - Outline the pathology and epidemiology of...Ch. 20.2 - Explain the epidemiology of Francisella tularensis...Ch. 20.2 - Prob. 6ELOCh. 20.2 - Prob. 7ELOCh. 20.2 - Prob. 8ELO
Ch. 20.2 - List the four genera of bacteria that cause...Ch. 20.2 - Prob. 4CYPCh. 20.2 - Prob. 5CYPCh. 20.2 - Prob. 6CYPCh. 20.2 - What is unusual about the reservoir of Legionella?...Ch. 20.3 - Recall the medically important members of the...Ch. 20.3 - Prob. 10ELOCh. 20.3 - Explain the importance of the three major surface...Ch. 20.3 - Name the key characteristics shared by the...Ch. 20.3 - Explain what is meant by IMViC.Ch. 20.3 - Prob. 10CYPCh. 20.3 - Prob. 11CYPCh. 20.3 - Briefly describe the methods used to isolate and...Ch. 20.3 - Prob. 13CYPCh. 20.4 - Differentiate among the major enteric pathologies...Ch. 20.4 - Explain the role of E. coli in infantile and...Ch. 20.4 - Prob. 14ELOCh. 20.4 - Prob. 15ELOCh. 20.4 - Prob. 14CYPCh. 20.4 - Prob. 15CYPCh. 20.4 - Justify treating E. coli Ol57:H7 differently from...Ch. 20.4 - Prob. 17CYPCh. 20.4 - Prob. 18CYPCh. 20.5 - Differentiate between true noncoliform enteric...Ch. 20.5 - Distinguish the pathologies of typhoidal and...Ch. 20.5 - Identify the possible sources of Shigella...Ch. 20.5 - Prob. 19ELOCh. 20.5 - Prob. 20ELOCh. 20.5 - Prob. 19CYPCh. 20.5 - Prob. 20CYPCh. 20.5 - Make a comparison chart for Shigella and...Ch. 20.5 - What are the Five F’s and how do they relate to...Ch. 20.5 - Prob. 23CYPCh. 20.5 - Which body systems are commonly infected by...Ch. 20.5 - Describe the epidemiology and pathology of...Ch. 20.L1 - A unique characteristic of many isolates of...Ch. 20.L1 - Prob. 2MCQCh. 20.L1 - Prob. 3MCQCh. 20.L1 - A classic symptom of pertussis is a. labored...Ch. 20.L1 - Prob. 5MCQCh. 20.L1 - Prob. 6MCQCh. 20.L1 - Prob. 7MCQCh. 20.L1 - Which of the following is a major difference...Ch. 20.L1 - A complication/complications of typhoid fever...Ch. 20.L1 - Prob. 10MCQCh. 20.L1 - Prob. 11MCQCh. 20.L1 - Haemophilus influnzae is ____________ and requires...Ch. 20.L1 - Prob. 13MCQCh. 20.L1 - Prob. 14MCQCh. 20.L1 - Single Matching. Match the infectious agent with...Ch. 20.L1 - Prob. 1CSRCh. 20.L1 - Prob. 2CSRCh. 20.L1 - Prob. 3CSRCh. 20.L1 - Prob. 1WCCh. 20.L1 - What are unique features in the epidemiology of E....Ch. 20.L1 - Explain several practices an individual can use to...Ch. 20.L1 - Prob. 4WCCh. 20.L1 - Briefly outline the zoonotic infections in this...Ch. 20.L2 - What is the logic behind testing for E. coli to...Ch. 20.L2 - Identify the genera with the following...Ch. 20.L2 - Given that so many infections arc caused by...Ch. 20.L2 - Prob. 4CTCh. 20.L2 - Students in our classes sometimes ask how it is...Ch. 20.L2 - Explain lhe reasons for an increase in numbers of...Ch. 20.L2 - Compare and contrast the pathology, diagnosis, and...Ch. 20.L2 - Prob. 8CTCh. 20.L2 - Prob. 9CTCh. 20.L2 - Prob. 10CTCh. 20.L2 - "There is no circumstance [in which] you can cook...Ch. 20.L2 - Use figure 20.5 a, b as a reference guideline for...
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- What are all the different types of infections the following antibiotic resistant microbes associated with Carbapenme-Resistant Enterobacteriaceae (CRE), Vancomycin-resistant Enterococcus (VRE), Methicillin-Resistant Staphylococcus aureus (MRSA) and Vancomycin-Resistant Staphylococcus aureus (VRSA)?arrow_forwardWhy do you think E. coli and other enteric organisms are common causes of UTIs?arrow_forwardWhich bacteria in the Family Enterobacteriaceae are true entericpathogens and which ones are opportunists?arrow_forward
- Differentiate between bacterial infectionand bacterial intoxication. Discuss the importance of E. colias part of our intestinal flora. Describe three (3) different types of gastrointestinal diseases caused by bacteria. Be sure to give the name of the specific organism that causes each, describe some common signs and symptoms and discuss treatment for each disease: Define meningitis.Compare and contrast between bacterial and viral meningitis including treatment for each. What is a prion? Describe the impact prionshave on the human brain and discuss two prion-associated diseases in humans: What is a vector-borne (vector transmitted) disease? Give an example of a vector borne disease and the vector responsible for causing it:arrow_forwardHow can we prove the pathologic or clinical effects of V. cholerae are due only to the production of the enterotoxin by the pathogen? (hint: exclude endotoxin LPS)arrow_forwardWhich of the following statements about the microbiota of the intestines is false? 1)The bacterial population in the small intestine is sparse compared to that of the colon 2)Aerobes outnumber anaerobes 100 to 1 3)Bacteria in the intestines aid in the digestion of food substances 4)None of these choices are falsearrow_forward
- Many organisms in the Enterobacteriaceae family are part of the human gut flora. How does gut flora gain entry into the body? Give at least three examples.arrow_forwardWhich of the following bacterial species is considered normal flora of the mouth? O 1) Streptococcus mutans 2) Escherichia coli 3) Klebsiella pneumoniae 4) Staphylococcus epidermidisarrow_forwardDifferentiate among the major enteric pathologies seen amongvarious strains of E. coli.arrow_forward
- State the reservoir of Enterohemorrhagic E. coli (EHEC). How do humans acquire EHEC?arrow_forwardCompare the mechanism of virulence for Vibrio cholerae and enterotoxigenic E.coli. Specifically, how do these bacteria bind to host cells and what factors are involved in producing the diarrhea observed in infected patients?arrow_forwardIf there is a causal relationship between the presence of H. pylori and ulcers, how might you explain that 50% of the patients with a normal endoscopic examination were infected with the bacteria?arrow_forward
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