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Physiology, Coordination and Control
Quick questions on The nervous system: action potentials and synapses - CCEA A-Level Biology
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Explain how the resting potential is maintained. [3 marks]
What is q2?Show answer
Explain why an action potential travels in only one direction. [2 marks]
What is q3?Show answer
Explain how a synapse ensures an impulse passes in one direction only. [2 marks]
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