Ultimately, All Excitatory and Inhibitory Signals That Control Movement Converge

question 32

Multiple Choice

Ultimately, all excitatory and inhibitory signals that control movement converge on the neurons known as ___, which innervate skeletal muscle.

• A) local circuit neurons
• B) upper motor neurons
• C) lower motor neurons
• D) basal nuclei neurons
• E) cerebellar neurons

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Definitions:

Falsifiable

A characteristic of a hypothesis or theory that suggests it can be proven wrong by observation or experiment.

Prokaryotic Cells

Cells without a nucleus or other membrane-bound organelles, including bacteria and archaea.

Eukaryotic Cells

Cells that contain a nucleus enclosed within membranes, distinguishing them from prokaryotic cells. They make up all complex organisms, including humans, plants, and fungi.

Nucleus

(1) The central region of an atom that contains the protons and neutrons. (2) A cell organelle in eukaryotes that contains the DNA and serves as the control center of the cell. (3) A mass of nerve cell bodies in the central nervous system. Compare with ganglion.