Choose the Correct Statement Regarding Motor Units

question 41

Multiple Choice

Choose the correct statement regarding motor units.

• A) Muscle fibers of each motor unit are not mingled with those of other motor units.
• B) During a sustained contraction, all motor units are activated simultaneously.
• C) A motor neuron may control only two or three muscle fibers of the eye muscle(s).
• D) When muscles contract for sustained periods, maximal tension is maintained.
• E) Most motor neurons control fewer than five muscle fibers.

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Definitions:

Southern Economy

Refers to the economic structure and practices of the Southern United States, historically characterized by agriculture-based industries, such as cotton, and significant social and economic changes post-Civil War.

Industrial Settings

Environments or contexts related to or characteristic of industries and manufacturing, often involving the large-scale production of goods.

Sugar Plantation

Large agricultural estates where sugar cane is grown and processed, historically reliant on slave labor in the Americas and the Caribbean.

Rice Plantation

A large agricultural estate specifically designed for the cultivation of rice, often found in the southern United States before the Civil War, and reliant on enslaved labor.