Introduction to Neuroscience 2023-2024

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Questions and Answers

What is the process by which a neuron communicates with another cell?

  • Exocytosis (correct)
  • Phagocytosis
  • Endocytosis
  • Pinocytosis

Which type of glial cells produce myelin in the central nervous system?

  • Schwann cells
  • Microglia
  • Astrocytes
  • Oligodendrocytes (correct)

What is the membrane potential at which there is no net movement of a particular ion across the membrane?

  • Equilibrium potential (correct)
  • Action potential
  • Threshold potential
  • Resting potential

What are the specialized gaps in the myelin sheath called, allowing for saltatory conduction?

<p>Nodes of Ranvier (D)</p> Signup and view all the answers

Which type of channels open in response to depolarization and allow for rapid influx of sodium ions?

<p>Voltage-gated sodium channels (A)</p> Signup and view all the answers

What is the function of ionotropic receptors?

<p>Rapid synaptic transmission (B)</p> Signup and view all the answers

Which neurotransmitter is associated with the fight or flight response?

<p>Norepinephrine (D)</p> Signup and view all the answers

What is the primary function of the parasympathetic division of the autonomic nervous system?

<p>Promoting rest and digestion (D)</p> Signup and view all the answers

Which structure is responsible for phototransduction in the visual system?

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

What is the main purpose of the ventricular system in the brain?

<p>Producing cerebrospinal fluid (B)</p> Signup and view all the answers

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