Neurophysiology

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Across
  1. 2. A neuron that receives neurotransmitter from another neuron is called _____ neuron
  2. 5. The myelin sheath that covers many CNS axons is formed by
  3. 6. Regions of the CNS with an abundance of myelinated axons constitute the ________ matter.
  4. 9. Neurons that have one axon and one dendrite, with the soma in between, are called
  5. 10. ______ ions move out of the cell During repolarization of a neuron
  6. 15. synapses - generation of IPSP
  7. 17. synapses - generation of EPSP
  8. 18. The axon is connected to the soma at the
  9. 19. The part of the peripheral nervous system that carries sensory information to the CNS is designated
  10. 21. lobe - motor and prefrontal functions (HOT)
  11. 23. Branches that may occur along an axon are called
  12. 24. ________ nerves are nerves that connect to the brain.
  13. 25. Which type of synapse is most common in the nervous system?
  14. 27. A shift of the resting transmembrane potential toward 0 mV is called
  15. 29. Sensory neurons of the PNS are
  16. 33. The ________ nervous system provides involuntary regulation of smooth muscle, cardiac muscle, and glandular activity.
  17. 34. The most abundant class of neuron in the central nervous system is
  18. 35. ________ account for roughly half of the volume of the nervous system.
  19. 36. ________ carry motor information to peripheral effectors.
  20. 39. Regions of the CNS where neuron cell bodies dominate constitute the ________ matter.
  21. 40. The ion that triggers the release of acetylcholine into the synaptic cleft is
  22. 41. Neurons in which dendritic and axonal processes are continuous and the soma lies off to one side are called
  23. 43. Cholinergic synapses release the neurotransmitter
  24. 44. The ________ division of the peripheral nervous system brings sensory information to the central nervous system.
  25. 45. ________ monitor the digestive, respiratory, cardiovascular, urinary, and reproductive systems.
  26. 46. The ________ nervous system is composed of the brain and spinal cord.
Down
  1. 1. ________ provide information about the external environment.
  2. 3. Rapid impulse conduction from "node" to "node" is called ______ propagation
  3. 4. At the normal resting membrane potential of a typical neuron, its sodium-potassium exchange pump transports __ intracellular sodium ions for __ extracellular potassium ions
  4. 7. IPSP
  5. 8. Neurons that have several dendrites and a single axon are called
  6. 11. The presence of ________ dramatically increases the speed at which an action potential moves along an axon.
  7. 12. Neurons that are rare, small, and lack features that distinguish dendrites from axons are called
  8. 13. The site of intercellular communication between a neuron and another cell is the
  9. 14. Opening of sodium channels in the axon membrane causes
  10. 16. ________ nerves are nerves that connect to the spinal cord.
  11. 20. EPSP
  12. 22. lobe - visual
  13. 26. Which of the following is not a function of the neuroglia? (A) support B) memory C) secretion of cerebrospinal fluid D) maintenance of blood-brain barrier E) phagocytosis)
  14. 28. lobe - memory formation
  15. 30. lobe - somatosensory processing
  16. 31. ______ cells line the brain ventricles and spinal canal.
  17. 32. The nervous tissue outside of the central nervous system composes the ________ nervous system.
  18. 36. The ________ division of the nervous system carries motor commands to muscles and glands.
  19. 37. involved in many pathways in CNS (m mvt and reward pathway)
  20. 38. membrane permeability for sodium ions ______ than potassium ions, hence the resting membrane potential of a neuron is closer to Na
  21. 42. The basic functional unit of the nervous system is the