The term 'motor unit' represents: A. A group of muscles contributing to the same movement B. A group of muscles and the peripheral nerve that innervates it C. An efferent neuron and all of the muscle fibers it innervates D. All muscles innervated by the same spinal nerve
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Step 1: A motor unit is a functional unit consisting of a motor neuron and the muscle fibers it innervates. Show more…
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A motor unit is best described as (a) All the nerve fibres and muscle fibres in a single muscle bundle. (b) One muscle fibre and its single nerve fibre. (c) A single motor neuron and all the muscle fibres that it innervates. (d) As the neuron which carries the message from muscles to CNS.
A motor unit is________. a. a muscle and the bone it moves b. two muscles that work in opposition c. the amount a muscle shortens during contraction d. a motor neuron and the muscle fibers it controls
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