Escherichia Coli Infections: E. coli O157:H7


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Using the classic Gram Stain, E. coli cells appear microscopically as

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1. The designation O157:H7

2. Which of the following is NOT true of Shiga toxin?

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About This Quiz & Worksheet

The E. Coli O157:H7 infection, a food-borne infection, is quite dangerous. This quiz and worksheet combination will help you test how well you understand this infection and the bacteria that causes it. The quiz will test you on physical appearance of E. Coli, the specific features that give E. Coli O157:H7 its distinction, and the characteristics of an E. Coli infection of this type.

Quiz & Worksheet Goals

In these assessments, you'll be tested on:

  • The physical characteristics of E. Coli as revealed by the Gram Stain
  • The Shiga toxin and its function
  • How E. Coli O157:H7 infection occurs in humans

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the pertinent information about the E. Coli O157:H7 infection from the related lesson
  • Interpreting information - verify that you can read information regarding E. Coli bacteria and interpret it correctly
  • Information recall - access the knowledge you've gained regarding the E. Coli bacteria to answer questions about its characteristics and the characteristics of the O157:H7 serotype

Additional Learning

To learn more about E. Coli infections, review the accompanying lesson Escherichia Coli Infections: E. Coli O157:H7. This lesson covers the following objectives:

  • Define the E. Coli O157:H7 serotype
  • Define certain key terms that inform the discussion on types of E. Coli bacteria
  • Understand how an E. Coli infection occurs
  • Understand the process that the E. Coli bacteria follows in infecting humans