What Is Responsible for the Phenomenon in Skeletal Muscle Known

question 41

Multiple Choice

What is responsible for the phenomenon in skeletal muscle known as muscle tone?

• A) the passive elastic properties of muscles and joints and some degree of alpha motor neuron activity
• B) spontaneous entry of calcium into the cytosol and the background phosphorylation of cross-bridges
• C) depletion of ATP in some individual muscle fibers, and the inability for cross-bridges to detach
• D) cross-bridges that continuously cycle, even in the absence of cytosolic Ca²⁺
• E) a buildup of K⁺ in the T-tubules and resulting depolarization of the sarcolemma

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Definitions:

Intrapersonal

Pertaining to the internal processes, thoughts, and feelings within an individual, emphasizing self-reflection and personal insight.

Interpersonal

Relating to interactions or relationships between people.

Contingency Management

Contingency Management is a behavior modification technique where desired behaviors are reinforced through tangible rewards or the removal of negative consequences.

Counterconditioning

A behavior therapy technique where a maladaptive response is replaced with a more desirable one by associating the feared stimulus with a new, positive response.