The Arrival of an Action Potential in a Muscle Fiber

question 48

Multiple Choice

The arrival of an action potential in a muscle fiber causes​ 

• A)calcium to enter the muscle fiber. 
• B)calcium to be released by internal organelles. 
• C)acetylcholine to enter the muscle fiber. 
• D)acetylcholine to be released by internal organelles.

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Definitions:

Borderline Personality Disorder

A mental health condition characterized by unstable moods, behavior, and relationships, often resulting from a pattern of varying self-image, impulsivity, and difficulties in managing emotions.

Dramatic Behavior

Actions characterized by excessive emotionality or attention-seeking, often seen in theatrical performances or in everyday interactions.

Guilt Feelings

Emotional experiences that occur when a person believes or perceives they have compromised their own standards of conduct or a moral standard.

Impulsive Behavior

Actions taken without forethought or consideration of the consequences, often driven by immediate desires or reactions.