The Fibers in a Muscle Spindle

question 49

Multiple Choice

The fibers in a muscle spindle

• A)Are not true muscle fibers because they cannot contract
• B)Are innervated by gamma motor neurons
• C)Function to maintain tension on spindle receptors
• D)Both are innervated by gamma motor neurons and function to maintain tension on spindle receptors are correct
• E)All of the choices are correct

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Definitions:

Rated CCA

Cold Cranking Amps rating, indicating a battery's ability to start an engine in cold temperatures.

Acceptable Voltage

The range of voltage within which an electrical device or system operates safely and effectively.

84-factor Method

A calculation method used in determining vehicle registration fees based on a combination of the vehicle's weight and other factors.

Specific Gravity

The ratio of the density of a substance to the density of a reference substance, usually water for liquids and solids, and air for gases.