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The Myelin Sheath, Schwann Cells & Nodes of Ranvier

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Myelinated axons _____.

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1. Why is it so important that our bodies have Schwann cells?

2. An electric impulse involving a change in voltage across a plasma membrane is best known as a(n) _____.

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About This Quiz & Worksheet

Assess your understanding of the myelin sheath using this quiz and worksheet. You will be asked about the difference between myelinated and unmyelinated axons, requires a working knowledge about the structure of neurons.

Quiz & Worksheet Goals

This assessment will test you on the following topics:

  • Myelinated axons
  • Unmyelinated axons
  • Immune system disease
  • Peripheral nervous system

Skills Practiced

Students should prepare to test the following skills:

  • Critical thinking - apply relevant concepts to examine information about neurons differently
  • Knowledge application - ensure that you can accurately describe cell function in the peripheral nervous system
  • Distinguishing differences - compare and contrast myelinated and unmyelinated axons
  • Information recall - access the knowledge you've gained regarding electric impulses and a plasma membrane

Additional Learning

Improve your understanding of how nerve cells conduct electrical impulses in this lesson titled The Myelin Sheath, Schwann Cells, & Nodes of Ranvier. This lesson covers:

  • Describing the function of the myelin sheath
  • Identifying diseases that destroy the myelin sheath of neurons
  • Understanding the relationship of electric impulses across a plasma membrane
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