If we blocked all voltage-gated sodium channels in a lower motor neuron and then injected calcium into the axon terminus, the fibers in the associated motor unit would Select one: a. Contract as long as calcium levels were high and the neuron didn't run out of acetylcholine. b. Contract for only a brief period of time and then relax. c. Remain relaxed.
If we blocked all voltage-gated sodium channels in a lower motor neuron and then injected calcium into the axon terminus, the fibers in the associated motor unit would Select one: a. Contract as long as calcium levels were high and the neuron didn't run out of acetylcholine. b. Contract for only a brief period of time and then relax. c. Remain relaxed.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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If we blocked all voltage-gated sodium channels in a lower motor neuron and then injected calcium into the axon terminus, the fibers in the associated motor unit would
Select one:
a. Contract as long as calcium levels were high and the neuron didn't run out of acetylcholine.
b. Contract for only a brief period of time and then relax.
c. Remain relaxed.
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