The Mechanical Force of Contraction Is Generated by ________

question 64

Multiple Choice

The mechanical force of contraction is generated by ________.

• A) shortening of the thick filaments
• B) shortening of the thin filaments
• C) a sliding of thin filaments past thick filaments
• D) the "accordian-like" folding of thin and thick filaments
• E) the temporary disappearance of thin filaments

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Definitions:

Potassium Ions

Essential electrolytes within the body that play a key role in various cellular functions, including nerve transmission and muscle contraction.

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.

Repolarize

The process of restoring a cell's membrane potential to its resting negative state after depolarization.

Resting Potential

The electrical charge of a neuron when it is not active, representing a state of readiness for activation.