Which of These Statements Describes Twitch Summation

question 247

Multiple Choice

Which of these statements describes twitch summation

• A)The muscle fibre is restimulated before the action potential has returned to resting potential.
• B)The muscle fibre is restimulated before the filaments have completely returned to their resting position.
• C)Stronger muscle contractions occur with stronger action potentials.
• D)Weaker muscle contractions occur despite stronger action potentials.

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Definitions:

Reflexive Response

A biological reaction to a stimulus that is instinctive and does not require conscious thought.

Conditioned Response

A learned reaction to a previously neutral stimulus that has become associated with an unconditioned stimulus through conditioning.

Conditional Reinforcement

Conditional reinforcement is the process by which a stimulus reinforces a behavior only when it is paired with a primary reinforcer or another strong reinforcer.

Contingent Reflex

A reflex action that depends on specific conditions or stimuli to occur, rather than happening automatically.