Innervation of the Heart and Lungs
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Questions and Answers

Which ganglion(s) can contribute to the efferent sympathetic innervation of the heart and lungs?

  • Inferior cervical ganglion
  • Middle cervical ganglion
  • Superior cervical ganglion (correct)
  • Paravertebral ganglion

    • How are the cardiopulmonary splanchnic nerves related to the innervation of the heart and lungs?

  • They originate from the T1-T4 segments
  • They accompany the nerves from the cervical ganglion
  • They synapse in the paravertebral ganglion (correct)
  • They innervate the heart and lungs directly

    • What is the route of the nerves originating from T1-T4 and the cervical ganglion to the heart and lungs?

  • They follow separate routes (correct)
  • They merge into a single nerve
  • They travel along the vessels and myocardium
  • They pass through the paravertebral ganglion

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