Which of the Following Statements Are True of Electrical Changes

question 54

Multiple Choice

Which of the following statements are true of electrical changes at the sarcolemma? (Read carefully and select all of the correct statements.)

• A)A polarized muscle fiber has more Na⁺ ions inside that outside.
• B)Depolarization is the movement of K⁺ ions into the cell.
• C)Repolarization is the movement of Na⁺ ions out of the cell.
• D)A polarized muscle fiber has a positive charge inside and a negative charge outside.
• E)Depolarization is a reversal of charges; the cell has a positive charge outside and a negative charge inside
• F)An action potential is depolarization followed by repolarization.

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Definitions:

Disordered Behavior

Actions or patterns of actions that are considered abnormal or outside societal norms, often indicative of a psychological condition.

Identical Processes

Processes that are exactly the same in every aspect, often used in scientific experiments to ensure replicability and reliability.

Somatoform Disorder

A mental disorder characterized by physical symptoms that have no apparent physical cause, indicating that psychological factors may be involved.

Cognitive Psychologist

A professional who studies mental processes such as perception, memory, problem-solving, and decision-making.