Knowing the Structure of the Neuron, When a Signal Travels

question 79

Multiple Choice

Knowing the structure of the neuron, when a signal travels from a motor neuron to a skeletal muscle, the nerve signal must travel from

• A)the dendrites of the motor neuron down the axon, and then from the axon of the neuron to the muscle.
• B)the neuroglia of the motor neuron down the axon, and then from the axon of the neuron to the muscle.
• C)the axon of the motor neuron down to the dendrites, and then from the dendrites of the neuron to the muscle.
• D)the axon of the motor neuron down to the neuroglia, and then from the neuroglia to the dendrites of the muscle.

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Definitions:

Splenius

A group of muscles in the back of the neck and upper back that helps in moving and stabilizing the head.

Longissimus Dorsi

A muscle in the back that is part of the erector spinae group, helping to extend, flex, and rotate the spine and neck.

Fascia

A band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs.

Scalpel

A small, sharp knife that is used in surgeries to make incisions or cut tissues.