Answer
When the drug is used repetitively, the brain reduces the number of receptors, due to which a larger quantity of the drug is required to simulate desired effects.
Work Step by Step
As above
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 31, Nervous System - Assessment - Connecting Concepts - Use Science Graphics/Write About Science - Page 918: 34
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