Anatomy Chapter 22

Card Set Information

Author:
LaizyDaizy79
ID:
74288
Filename:
Anatomy Chapter 22
Updated:
2011-04-11 22:56:44
Tags:
Human Anatomy
Folders:

Description:
Autonomic Nervous System
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user LaizyDaizy79 on FreezingBlue Flashcards. What would you like to do?


  1. What part of the vertebrate nervous system innervates smooth and cardiac muscle and glandular tissues and governs involuntary, vital functions?
    autonomic nervous system
  2. If we follow a nerve impulse from the CNS to an effector within the SNS, how many motor nerurons would be involved?
    1
  3. If we follow a nerve impulse from the CNS to an effector within the ANS, how many motor neurons would be involved?
    2
  4. A motor neuron within the ANS that lies between the CNS and a ganglion is what type of neuron?
    preganglionic neuron
  5. A motor neuron within the ANS that lies between a ganglion and an effector is what type of neuron?
    ganglionic neuron
  6. What is the axon of a ganglionic neuron within the ANS?
    postganglionic axon
  7. What are the two divisions of the ANS?
    parasympathetic & sympathetic
  8. What division of the ANS is primarily concerned with conserving energy and replenishing nutrient stores and has been nicknames the "rest-and-digest" division?
    parasympathetic
  9. What division of the ANS is primarily concerned with preparing the body for emergencies and is often referred to as the "fight-or-flight" division?
    sympathetic
  10. What is another term for the parasympathetic division?
    craniosacral
  11. Where are the cell bodies of the preganglionic neurons for the parasympathetic division located?
    brainstem & gray regions of S2-S4
  12. Where are the ganglia of the parasympathetic division found?
    next to or within the organs they innervate
  13. What cranial nerves carry parasympathetic fibers?
    oculomotor, facial, glossopharyngeal & vagus
  14. What specific regions of the spinal cord house the cell bodies of the parasympathetic division of the ANS?
    lateral gray regions of S2-S4
  15. What nerves carry fibers of the parasympathetic division of the ANS through the pelvis?
    pelvic splanchnic nerves
  16. What does "splanchnic" mean?
    visceral
  17. You miss lunch and only have time for a bag of chips. What division of the ANS brings about an increase in the production of saliva as you eat?
    parasympathetic
  18. You walk from a relateively dim building into the brightness of a sunny winter's day.Your pupils constrict. What division of the ANS brings about this constriction?
    parasympathetic
  19. A test in the Testing Center takes longer than you anticipated. Now you're late for your next class. You jog. You arrive and settle into your seat. The airways in your lungs constrict as you catch your breath. What division of the ANS brings about this constriction?
    parasympathetic
  20. A bit of dirt gets blown into your eye. Tears flow. What division of the ANS brings about the flow?
    parasympathetic
  21. What is another term for the sympathetic division of the ANS?
    thoracolumbar
  22. From what regions of the CNS does the sympathetic division arise?
    lateral horns of T1-L2
  23. What part of spinal nerves do the preganglionic sympathetic axons travel within as they leave the alteral horn of the spinal cord?
    anterior root
  24. What sympathetic ganglia lie on the left and right sides of the vertebral columb from T1-L2?
    sympathetic trunk ganglia
  25. What structure in the sympathetic division of the ANS has the appearance of a pearl necklace?
    sympathetic trunks
  26. What clusters of ganglia of the sympathetic division of the ANS lie within the neck?
    cervical ganglion
  27. What are the connections between the spinal nerves and the sympathetic trunks?
    rami communicantes
  28. What structures carry preganglionic sympathetic axons from the T1-L2 spinal nerves to the sympathetic trunk?
    white rami communicantes
  29. What structures carry postganglionic axons from the sympathetic trunk to the spinal nerves?
    gray rami communicantes
  30. What structures are composed of preganglionic axons that do not synapse in a sympathetic trunk ganglion?
    splanchnic nerves
  31. Splanchnic nerves of the sympathetic division of the ANS terminate in what structures?
    prevertebral ganglia
  32. What structures are singular rahter than paired, are anterior to the vertebral column, and are located only in the abdominal cavity?
    prevertebral ganglia
  33. List the three prevertebral ganglia.
    celiac, superior & inferior mesenteric ganglion
  34. What pathway is a postganglionic axon within if it travesl theough a gray ramus that is at the same level as the ganglionic neuron to innervate blood vessels or arrector pili muscles or sweat glands?
    spinal nerve pathway
  35. What pathway is a postganglionic axon within if the preganglionic neuron synapses with a ganglionic neuron in a sympathetic trunk ganglion, but the postganglionic axon does not leave the...
    postganglionic sympathetic nerve pathway
  36. What pathway is postganglionic axon within if it passes through the sympathetic trunk ganglia without synapsing and extends to the prevertebral ganglia?
    splanchnic nerve pathway
  37. What pathway is a sympathetic axon within if it goes to the adrenal medulla?
    adrenal medulla pathway
  38. The pupil dilates when a person walks into a relatively dark building from a bright, snowy sinter's day. What division of the ANS brings about this dilation?
    sympathetic
  39. A test in the Testing Center takes longer than you anticipated. You're late for your next class. You jog. As you do the airways in your lungs dilate. What division of the ANS brings about this dilation?
    sympathetic
  40. After class you go for a game of racquetball and work up a sweat. What division of the ANS causes the formation of sweat?
    sympathetic
  41. If you are driving a Sanpete County road on a winter's day and a deer suddenly takes a suicidal leap in front of your car, what is the general response of your ANS?
    fight-or-flight
  42. Usually both division of the ANS innervate organs. Where does this dual innervation not occur?
    skin & skeletal muscles
  43. What are collections of sympathetic postganglionic axons and parasympathetic preganglionic axons, as well as some visceral sensory axons?
    autonomic plexuses
  44. What part of the CNS has the greatest control over the ANS?
    hypothalamus
  45. What part of the CNS holds nuclei which have a great deal of influence over autonomic function?
    brainstem
  46. What division of the ANS may process and control certain functions at the level of the spinal cord without involvement of the brain?
    parasympathetic
  47. What cranial nerve carries nearly 80% of the parasympathetic output?
    vagus

What would you like to do?

Home > Flashcards > Print Preview