Absolute Refractory Period: Definition & Significance


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What is the absolute refractory period?

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1. What depolarizes neurons, causing an action potential to occur?

2. When do voltage-gated sodium channels open again, allowing the neuron to fire another action potential?

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About This Quiz & Worksheet

This quiz and worksheet will help build and test your knowledge of the absolute refractory period. Assessments items will focus on actions leading to the absolute refractory period and its importance.

Quiz & Worksheet Goals

Assessments will cover:

  • The cause of depolarized neurons
  • What repolarizes the cell
  • Significance of the refractory period

Skills Practiced

Practiced skills include:

  • Information recall - access the knowledge you've gained regarding what the absolute refractory period is
  • Reading Comprehension - ensure that you draw the most important information from the lesson on the absolute refractory period
  • Knowledge application - use your knowledge to answer questions about when voltage-gated sodium channels reopen, allowing neurons to fire another action potential

Additional Learning

Review the lesson, Absolute Refractory Period: Definition & Lesson, to learn about the absolute refractory period. Objectives covered include:

  • Review how neurons communicate
  • Understand how action potential happens
  • Know the physiological implications of the absolute refractory period