Microbiology: A Systems Approach 4th Edition

Published by McGraw-Hill Education
ISBN 10: 0073402435
ISBN 13: 978-0-07340-243-7

Chapter 17 - Diagnosing Infections - Multiple-Choice and True-False Questions - Bloom's Levels 1 and 2: Remember and Understand - Page 509: 3

Answer

b. normal biota

Work Step by Step

The isolation of 80 colonies of various streptococci on a culture from a throat swab is a normal biota. This is due to the fact that streptococci is a common bacteria family present in the environment, and it is commonly present in the throat and lungs. Thus, the correct answer is option b.
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