Where does an action potential start?

  axon hillock
  soma
  dendrite
  axon

What do oligodendrocytes produce?

  ependymel cells
  insulating myelin sheaths around axon of neuron in the CNS
  insulating myelin sheath around axon of neuron in the PNS
  melatonin

What is Spina Bifida?

  Failure of higher brain structures to form
  Failure of spinal cord to close
  Failure to have a spine
  Nerve impulses slow down because nerves lose myelin

Which neuroglial cells are in the CNS?

  astrocytes, microglia, oligodendrocytes, ependymel cells
  satellite cells, schwann cells
  all of the above
  none of the above

What is the Wallerian degeneration?

  schwann cells appear
  axon and myelin sheath distal to injury disintegrate
  separate ends of axon seal
  forming of the regeneration tube

What are the secretory regions?

  dendrites
  synaptic terminals
  axons
  soma

The fourth ventricle is connected to the 3rd ventricle by the ___________________

  cauda equina
  corpus callosum
  cerebral aqueduct
  nerve fibers

The thalamus is composed of...

  hypothalamus and epithalamus
  bilateral masses of white matter
  ependymel cells
  bilateral masses of grey matter

What are the two parts of the peripheral nervous system?

  autonomic and somatic
  motor and sensory
  sympathetic and parasympathetic
  electrical and chemical