Microbiology: An Introduction, 11th Edition

Published by Benjamin Cummings
ISBN 10: 0321733606
ISBN 13: 978-0-32173-360-3

Chapter 2 - Chemical Principles - Study Questions - Clinical Applications - Page 52: 3b

Answer

Negative

Work Step by Step

If the Guthrie test yields a result of "no growth," that means that the test came back negative. The Guthrie test is a test performed on babies a few days after they are born, and it helps identify if phenylalanine is present.
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