Microbiology: A Systems Approach
Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 22, Problem 1VC
Summary Introduction

To determine:

The reason to not treat a patient having infection by E.coli STEC with powerful antibiotic.

Introduction:

Toxicity is defined as the degree to which a substance is harmful to humans or animals. Toxicity is of two types such as acute toxicity and chronic toxicity. Acute toxicity is caused by short exposure with harmful chemicals for short time. Chronic toxicity is caused due to long-term exposure to harmful chemicals.

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Assume you work at the local hospital in your home town.  Suddenly you notice that 10% of your patients are having serious staphylococcal infections.  None of these patients were admitted for having a staphylococcal infection, and we assume that all standard infectious control procedures are being followed (hand washing, use of gloves and masks, etc.).  Remember that a small percentage of bacteria do evade even the most scrupulous of infectious disease control procedures.  How could you use what you have learned in this week’s lab to solve the problem? How could you find out where the infection originated?  What steps would you need to take? How could you determine definitively what organism is causing these patients’ infections?   How could you determine how to treat these patients?  Once you determine the source of the infection, what ethical issues, if any, are involved here?  What should you do to protect the privacy and welfare of the patients as well as avoiding conduct that…
Assume you work at the local hospital in your home town.  Suddenly you notice that 10% of your patients are having serious staphylococcal infections.  None of these patients were admitted for having a staphylococcal infection, and we assume that all standard infectious control procedures are being followed (hand washing, use of gloves and masks, etc.).  Remember that a small percentage of bacteria do evade even the most scrupulous of infectious disease control procedures.  How could you use what you have learned in this week’s laboratory to solve the problem? How could you find out where the infection originated?  What steps would you need to take? How could you determine definitively what organism is causing these patients’ infections?   How could you determine how to treat these patients?  Once you determine the source of the infection, what ethical issues, if any, are involved here?  What should you do to protect the privacy and welfare of the patients as well as avoiding conduct…
What new symptoms do you predict if the following exotoxins appeared in a new bacteria? Explain why you expect those symptoms. 1. A lower respiratory (lung) bacteria with the Cholera Toxin  2. A reproductive tract bacteria with the Exfoliative Toxin (ET)  3. A large intestine bacteria with Diptheria Toxin
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