Thoracic Cavity Basics
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Questions and Answers

What is the shape of the inferior border of the thoracic cavity?

  • Vertical
  • Oblique (correct)
  • Curved
  • Horizontal
  • At which level of the thoracic spine does the inferior border reach the vertebral column?

  • 8th thoracic spine
  • 10th thoracic spine
  • 12th thoracic spine (correct)
  • 1st thoracic spine
  • Which of the following ribs is crossed by the inferior border opposite the lateral border of sacrospinalis muscle?

  • 11th rib
  • 9th rib
  • 12th rib (correct)
  • 10th rib
  • What is the nerve supply of the visceral pleura?

    <p>Anterior and posterior pulmonary plexuses</p> Signup and view all the answers

    What can be said about the visceral pleura's sensitivity?

    <p>It is not sensitive to pain</p> Signup and view all the answers

    What is the direction of the posterior border of the pleura?

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

    Which nerves supply the cervical pleura?

    <p>1st intercostal nerve</p> Signup and view all the answers

    What type of stimuli is the visceral pleura not sensitive to?

    <p>Somatic stimuli</p> Signup and view all the answers

    Which vessels supply the visceral pleura?

    <p>Bronchial vessels</p> Signup and view all the answers

    Which part of the diaphragmatic pleura is supplied by the phrenic nerve?

    <p>Central part</p> Signup and view all the answers

    What type of innervation does the visceral pleura receive?

    <p>Autonomic innervation</p> Signup and view all the answers

    Which nerve supplies the mediastinal and central part of diaphragmatic pleura?

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

    Which vessels supply the visceral pleura?

    <p>Bronchial vessels</p> Signup and view all the answers

    Which lymph nodes drain the parietal pleura?

    <p>Parasternal, intercostal, posterior mediastinal, and diaphragmatic nodes</p> Signup and view all the answers

    Which nerve supplies the peripheral part of diaphragmatic pleura?

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

    Which vessels supply the parietal pleura?

    <p>Internal thoracic and intercostal arteries</p> Signup and view all the answers

    What is the result of friction between the pleural surfaces?

    <p>Severe pain with respiratory movements</p> Signup and view all the answers

    Where is the pain referred to when the peripheral part of the diaphragmatic pleura is inflamed?

    <p>The thoracic wall or anterior abdominal wall</p> Signup and view all the answers

    Which nerve shares the same cervical spinal segments as the supraclavicular nerves?

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

    What can cause air to enter the pleural cavity?

    <p>Perforation in the lung or a wound in the thoracic wall</p> Signup and view all the answers

    What is the result of air entering the pleural cavity?

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

    What is the cause of referred pain at the tip of the shoulder?

    <p>Irritation of the mediastinal pleura</p> Signup and view all the answers

    What happens when air enters the pleural cavity from a perforation in the lung?

    <p>The lung collapses</p> Signup and view all the answers

    Where is the safest location to introduce a large wide-bore needle to drain fluid from the pleural cavity?

    <p>7th intercostal space</p> Signup and view all the answers

    What is the result of a wound in the thoracic wall?

    <p>Pleural cavity becomes filled with air</p> Signup and view all the answers

    Why is it important to avoid the neurovascular bundle when introducing a needle to drain fluid from the pleural cavity?

    <p>To avoid injury to the neurovascular bundle</p> Signup and view all the answers

    What is the purpose of introducing a large wide-bore needle in the pleural cavity?

    <p>To drain fluid from the pleural cavity</p> Signup and view all the answers

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