Phrenic Nerve and Thoracic Cavity Anatomy
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Questions and Answers

What is the location of the phrenic nerve?

  • Behind the je bradiocephalic vein
  • Along the right aspect of the following venous channel (correct)
  • Along the left aspect of the following venous channel
  • On the nous side of the medium

    • What is the path of the right phrenic nerve?

  • It descends along the arterial side of the pedia (correct)
  • It ascends along the arterial side of the pedia
  • It crosses the Arch of the aorta
  • It leaves the thorac by piercing the inft cupola of the capivagm

    • What is the structure that the phrenic nerve leaves the thorac by piercing?

  • The pericardium
  • The superior intercostal vein
  • The inft cupola of the capivagm (correct)
  • The right atria

    • What is the location of the pericardium?

    <p>Ovotell vernicia</p> Signup and view all the answers

    What is the direction of the right brachiocephalic vein?

    <p>It ascends vertically along the nous side of the medium</p> Signup and view all the answers

    Where is the posterior pulmonary plexus located?

    <p>Below the root of the lung</p> Signup and view all the answers

    Which nerve shares in the formation of the posterior oesophageal plexus?

    <p>Right vagus nerve</p> Signup and view all the answers

    Where does the formation of the 6 pleurae occur?

    <p>From the phage</p> Signup and view all the answers

    Which vagus nerve shares in the formation of the anterior oesophageal plexus?

    <p>Left vagus nerve</p> Signup and view all the answers

    What is the location of the posterior pulmonary plexus in relation to the lung?

    <p>Below the lung</p> Signup and view all the answers

    Where do the vagus nerves descend through?

    <p>The oesophageal opening of the diaphragm</p> Signup and view all the answers

    Which branch of the vagus nerve provides parasympathetic fibres to the laryngeal plexus?

    <p>Left recurrent laryngeal nerve</p> Signup and view all the answers

    Which gastric nerve is formed by the right vagus?

    <p>Posterior gastric nerve</p> Signup and view all the answers

    What type of fibres do the branches of the vagus nerve provide to the corresponding plexuses?

    <p>Parasympathetic fibres</p> Signup and view all the answers

    Where are the vagus nerves formed from?

    <p>The lower ends of the oesophageal plexuses</p> Signup and view all the answers

    What is the origin of the greater splanchnic nerve?

    <p>T5-9 ganglia</p> Signup and view all the answers

    What is the function of the gray ramus communicans?

    <p>Carries postganglionic fibers from the ganglion to the spinal nerve</p> Signup and view all the answers

    What is the path of the greater splanchnic nerve as it leaves the thorax?

    <p>It pierces the crus of the diaphragm</p> Signup and view all the answers

    What is the destination of the greater splanchnic nerve?

    <p>Coeliac ganglion</p> Signup and view all the answers

    What type of fibers do the splanchnic nerves carry?

    <p>Both preganglionic efferent and visceral sensory afferent fibers</p> Signup and view all the answers

    What is the location of the sympathetic chain in the thorax?

    <p>Medial to the vertebral bodies</p> Signup and view all the answers

    Which ganglion does the lowest (east) splanchnic nerve rise from?

    <p>11th or 12th</p> Signup and view all the answers

    What is the course of the greater splanchnic nerve?

    <p>It takes the same course as the lesser splanchnic nerve</p> Signup and view all the answers

    What is the termination point of the greater splanchnic nerve?

    <p>The ganglion of the gnal plem</p> Signup and view all the answers

    How many thoracic splanchnic nerves are there?

    <p>3 or 4</p> Signup and view all the answers

    Which nerve is not part of the thoracic part of the sympathetic chain?

    <p>Phrenic nerve</p> Signup and view all the answers

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