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

Where is the posterior pulmonary plexus located?

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

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

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

Where does the formation of the 6 pleurae occur?

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

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

<p>Left vagus nerve (A)</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 (B)</p> Signup and view all the answers

Where do the vagus nerves descend through?

<p>The oesophageal opening of the diaphragm (A)</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 (B)</p> Signup and view all the answers

Which gastric nerve is formed by the right vagus?

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

Where are the vagus nerves formed from?

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

What is the origin of the greater splanchnic nerve?

<p>T5-9 ganglia (B)</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 (A)</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 (D)</p> Signup and view all the answers

What is the destination of the greater splanchnic nerve?

<p>Coeliac ganglion (A)</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 (C)</p> Signup and view all the answers

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

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

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

<p>11th or 12th (C)</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 (D)</p> Signup and view all the answers

What is the termination point of the greater splanchnic nerve?

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

How many thoracic splanchnic nerves are there?

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

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

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