Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Neuromuscular Junction:

-Activation of nicotinic ACh receptors in the motor end plate results in both Na+ influx into and K+ efflux from the muscle fiber

- An action potential in a motor neuron always produces a graded depolarization in the motor endplate and an action potential in the sarcolemma.

-Acetylcholine released from the motor presynaptic terminal binds to voltage-gated ACh receptors in the motor endplate.

-all of the above

-a and b are right

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The junction between a motor neuron and a muscle fiber by which the nerve can communicate with muscle fiber is called junction, neurotransmitters are transmitted from the neuron to Neuromuscular junction. Through these junction neurotransmitters are transmitted from neuron to the muscle. This type of transmission is known as neuromuscular transmission.

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