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Labster action potential answers quizlet. Study with Quizlet and memorize flashcards containing terms like Which of the following statements is most accurate concerning action potentials? a Action potentials are produced if threshold is met b Action potentials diminish over distance c Action potentials vary in duration d Action potentials vary in strength, Define an action potentials and describe its characteristics. What will be the effect on membrane potential if Na+ ions move into the cell? 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