Neuroanatomy Learning Objectives

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Questions and Answers

Which division of the autonomic system controls the 'fight or flight' response?

  • Parasympathetic division
  • Somatic system
  • Central nervous system
  • Sympathetic division (correct)

Where does the neuraxis begin and end?

  • At the base of the spinal cord and ending at the front of the brain (correct)
  • At the front of the brain and ending at the base of the spinal cord
  • At the back of the brain and ending at the base of the spinal cord
  • At the top of the spinal cord and ending at the back of the brain

Which component of the nervous system includes both the brain and spinal cord?

  • Central nervous system (correct)
  • Autonomic system
  • Somatic nervous system
  • Peripheral nervous system

In which part of the nervous system are sensory afferent nerves located?

<p>Peripheral nervous system (B)</p> Signup and view all the answers

Which system controls voluntary muscles?

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

What does biologists use to describe locations in three dimensions within the nervous system?

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

Which division of the autonomic nervous system dominates during times of stress, excitement, and exertion?

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

Where are the soma of efferent parasympathetic neurons located?

<p>In the brain (cranial nerves III, VII, IX, and X) (C)</p> Signup and view all the answers

Which neurotransmitter do preganglionic sympathetic neurons release?

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

Which layer of the meninges is the outermost and toughest?

<p>Dura mater (A)</p> Signup and view all the answers

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

<p>To slow heart rate and decrease respiration (C)</p> Signup and view all the answers

Where do axons of efferent sympathetic nerves synapse with cells?

<p>Near the spinal cord in the sympathetic ganglia (A)</p> Signup and view all the answers

What do cranial nerves primarily serve?

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

What does the sympathetic division of the autonomic nervous system increase during times of stress, excitement, and exertion?

<p>Blood pressure and heart rate (C)</p> Signup and view all the answers

What is the function of the sympathetic division of the autonomic nervous system?

<p>To dominate during times of stress, excitement, and exertion (B)</p> Signup and view all the answers

Where do axons of postganglionic sympathetic neurons extend to release neurotransmitters?

<p>Long distances to target tissues (D)</p> Signup and view all the answers

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