Anatomy & Physiology: The Unity of Form and Function, 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073403717
ISBN 13: 978-0-07340-371-7

Chapter 12 - Nervous Tissue - Study Guide - Testing Your Recall - Page 472: 5

Answer

c. calcium

Work Step by Step

Posttetanic potentiation of a synapse increases the amount of calcium in the synaptic knob. This is used in short term memory. The calcium levels in the synaptic knob remains elevated, so that another signal will release an exceptionally large burst of neurotransmitters.
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