Without Input from the Gamma Motor Neurons

question 106

Multiple Choice

 Without input from the gamma motor neurons,

• A) extrafusal muscle fibers would be unable to contract.
• B) intrafusal muscle fibers would not be able to relax.
• C) extrafusal fibers would go limp whenever intrafusal fibers contracted.
• D) intrafusal fibers would go limp whenever extrafusal fibers contracted.

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Definitions:

Osmoreceptors

Specialized sensory neurons that detect changes in osmotic pressure and play a critical role in maintaining osmotic balance within the body.

Oncotic Pressure

The part of blood osmotic pressure exerted by proteins in the plasma, crucial for maintaining fluid balance across capillary walls.

Antecubital Vein

A prominent vein located in the front of the elbow, often used for drawing blood or administering intravenous therapies.