Skeletal Muscle Fibers Show a Range of Responses to Different

question 130

Multiple Choice

Skeletal muscle fibers show a range of responses to different levels of stimulation because

• A) each muscle fiber contraction is "all or none."
• B) the availability of Ca²⁺ sets an upper limit to the strength of the contraction.
• C) a new contraction can occur only after the resting condition is reached.
• D) following stimulation, the fibers stay contracted.
• E) individual twitches in quick succession in the same fiber can undergo summation.

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Definitions:

Equal Ability

The concept that individuals or groups possess the same level of skill, talent, or capability in a particular area or in general.

Variety Of Conditions

A broad spectrum or range of circumstances, situations, or health disorders.

Repeatedly

Doing something over and over again.

Concept Check

A method used to assess understanding of a particular concept or topic, often through questions or brief assessments.