Autonomic Nervous System Basics

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Questions and Answers

What is the most common type of neuron found in the nervous system?

  • Sensory neuron
  • Bipolar neuron
  • Multipolar neuron (correct)
  • Unipolar neuron

Which component is primarily found in white matter of the nervous system?

  • Dendrites
  • Axon terminals
  • Myelinated axons (correct)
  • Neuronal cell bodies

What determines the resting membrane potential of a non-conducting neuron?

  • High concentration of anions outside the cell
  • Inactivity of Na+/K+ pumps
  • Equal distribution of ions across the plasma membrane
  • Selective permeability of the neuron's membrane to Na+ and K+ ions (correct)

Which factor affects the propagation speed of action potentials the most?

<p>Amount of myelination (B)</p> Signup and view all the answers

Where are unipolar neurons primarily found in the body?

<p>Retina of the eye (D)</p> Signup and view all the answers

Which part of the neuron extends from the cell body and then splits into central and peripheral branches?

<p>Axon (B)</p> Signup and view all the answers

What is the primary function of chemical-gated channels in neurons?

<p>Controlling ion flow based on neurotransmitter presence (A)</p> Signup and view all the answers

'Gray Matter' in the nervous system contains which of the following components?

<p>Neuronal cell bodies (C)</p> Signup and view all the answers

'White Matter' is mainly composed of which structure?

<p>'Myelinated Axons' (B)</p> Signup and view all the answers

Which process extends from opposite ends of the cell body in neurons?

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

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