Which Statement Is Correct for a Motor Unit

question 41

Multiple Choice

Which statement is correct for a motor unit?

• A) a single motor neuron plus all of the muscle fibres it innervates
• B) a single muscle fibre plus all of the motor neurons that innervate i.
• C) all of the motor neurons supplying a single muscle
• D) a pair of antagonistic muscles

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Definitions:

NonAromatic

A compound that does not contain a cyclic, planar ring with a delocalized π-electron system typical of aromatic compounds.

π Network

The conjugated system of pi bonds found in molecules where alternating single and double bonds allow for delocalization of electrons across the structure.

Aromatic Structures

Compounds containing one or more benzene rings, characterized by a stable ring of atoms with delocalized electrons.

NonAromatic

Molecules or compounds that do not contain a ring of continuously overlapping p orbitals, thus lacking the stability associated with aromatic systems.