Anatomy: Sympathetic Trunk in the Thorax
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Questions and Answers

Where are sympathetic ganglia usually considered as they pass through the thorax?

  • Inferior mediastinum
  • Superior mediastinum
  • Posterior mediastinum (correct)
  • Anterior mediastinum
  • How many ganglia punctuate the parallel cords of the sympathetic trunks?

  • 9 or 10
  • 12 or 13
  • 11 or 12 (correct)
  • 7 or 8
  • How are the ganglia connected to adjacent thoracic spinal nerves?

  • By white and gray rami communicantes (correct)
  • By red and blue rami communicantes
  • By yellow and green rami communicantes
  • By black and white rami communicantes
  • In the superior portion of the posterior mediastinum, where are the sympathetic trunks positioned in relation to the neck of the ribs?

    <p>Anterior</p> Signup and view all the answers

    Where do the sympathetic trunks lie on the lateral aspect as they become more medial in position?

    <p>Vertebral bodies</p> Signup and view all the answers

    Through what structures do the sympathetic trunks leave the thorax?

    <p>Medial arcuate ligament</p> Signup and view all the answers

    What covers the sympathetic trunks throughout their course?

    <p>Parietal pleura</p> Signup and view all the answers

    How many types of medial branches are given off by the ganglia?

    <p>2: Upper and lower branches</p> Signup and view all the answers

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