Essentials of Human Anatomy & Physiology (12th Edition)

Published by Pearson
ISBN 10: 1292216239
ISBN 13: 978-1-29221-623-2

Chapter 6 - The Muscular System - Review Questions - Page 250: 37

Answer

Chemical A will be the better muscle relaxant.

Work Step by Step

Acetylcholine is the neurotransmitter for the pathway of muscle contraction. Chemical A will disrupt this pathway and block the neuromuscular junction. Chemical B on the other hand will release a lot of calcium ions, which will cause significant muscle contraction.
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