Neurophysiology Quiz

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Questions and Answers

What is the functional unit of the nervous system?

  • Neuron (correct)
  • Axon
  • Dendrites
  • Cell body

What is the measure of resting membrane potential (RMP) in neurons?

  • -30 mV
  • -50 mV
  • -70 mV (correct)
  • -90 mV

What is the main cause of negativity at rest in the resting membrane potential (RMP)?

  • High concentration of Na+ inside the cell
  • Greater permeability to K+ than Na+ due to K+ weak channels (correct)
  • Presence of diffusible anions inside the cell
  • Absence of non-diffusible ions inside the cell

What is the difference in voltage of electrical charge between inside and outside the cell membrane called?

<p>Membrane potential (C)</p> Signup and view all the answers

What are the three parts that a neuron consists of?

<p>Axon, Cell body, Dendrites (A)</p> Signup and view all the answers

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