Neuroscience Chapter 3: Neurons and Signals
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Neuroscience Chapter 3: Neurons and Signals

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Questions and Answers

Which part of the neuron is primarily responsible for receiving signals from other cells?

  • Myelin sheath
  • Node of Ranvier
  • Dendrites (correct)
  • Axon

    • What phase of action potential involves the sodium channels opening, allowing sodium ions to flow into the neuron?

  • Hyperpolarization
  • Repolarization Phase
  • Depolarization Phase (correct)
  • Resting State

    • What is the primary function of the myelin sheath?

  • To provide structural support to the neuron
  • To form synapses with other neurons
  • To facilitate faster conduction of nerve impulses (correct)
  • To store neurotransmitters

    • Which type of neuroglia is involved in maintaining the blood-brain barrier?

    <p>Astrocytes</p> Signup and view all the answers

    What is the electrical state of a neuron called when it is not transmitting a signal?

    <p>Resting membrane potential</p> Signup and view all the answers

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