Quiz: Role of Schwann Cells and Myelination
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on what you've learned about neurone structures, let's test your knowledge of Schwann cells and their role in myelination!
What is the main function of Schwann cells?
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Which of the following are true about the myelin sheath? (Select all that apply)
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The myelin sheath is formed by {{blank0}} cells, and it allows nerve impulses to travel {{blank1}}.
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Match the items on the left with their correct pairs on the right
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If a nerve impulse travels at 50 m/s in a myelinated axon and 5 m/s in an unmyelinated axon, what is the speed difference?
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Match the items on the left with their correct pairs on the right
Which of the following describe nodes of Ranvier? (Select all that apply)
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What is saltatory conduction?
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Myelination increases the {{blank0}} of impulse transmission and reduces {{blank1}} of signal along the axon.
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