Spinal Cord Anatomy Quiz
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Questions and Answers

Where are the autonomic nerve centers located in the spinal cord?

  • In the lateral horns of gray matter (correct)
  • In white matter
  • In the anterior horns of gray matter
  • In the posterior horns of gray matter

Which structure of the spinal cord houses the centers of the sympathetic division of the autonomic nervous system?

  • Paravertebral ganglia
  • Lateral horns of the thoracolumbal spinal cord (correct)
  • Prevertebral ganglia
  • Brain stem

In which part of the spinal cord are preganglionic nerve fibers found?

  • Anterior horns (correct)
  • Lateral horns
  • White matter
  • Posterior horns

Where is Clark's nucleus (thoracic nucleus) located within the spinal cord?

<p>Anterior horns (D)</p> Signup and view all the answers

What type of tissue forms the arachnoid membrane of the spinal cord?

<p>Loose fibrous unformed connective tissue (C)</p> Signup and view all the answers

Adjacent to the white matter of the spinal cord, what is the name of the protective shell?

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

Which cell type is responsible for myelin regeneration during nerve regeneration?

<p>Neurolemmocytes (Schwann cells) (A)</p> Signup and view all the answers

From which germ layer do neurons of the autonomic ganglia develop?

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

Which cell type forms the myelin sheath around nervous tissue fibers?

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

In nervous excitation on nerve cells, which cellular component plays a role?

<p>Mitochondria (D)</p> Signup and view all the answers

Which part of the nervous system includes the brain?

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

What characterizes the cytoarchitectonics of the cerebral cortex?

<p>Regular arrangement of cortical neurocytes (B)</p> Signup and view all the answers

Which type of cells develop from the neural tube?

<p>Both neurons and glial cells (C)</p> Signup and view all the answers

In the context of neurons and glial cells in the autonomic ganglia, which structure gives rise to these cells?

<p>The neural crest (B)</p> Signup and view all the answers

What is typically absent in the cytoplasm of an axon?

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

What condition is responsible for the transmission of a nerve impulse in only one direction across a synapse?

<p>The presence of a receptor protein on the postsynaptic membrane (B)</p> Signup and view all the answers

Which neurotransmitter is characteristic of the neuromuscular junction?

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

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