The Mediastinum

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Questions and Answers

Which of the following structures is NOT included in the mediastinum?

  • Heart
  • Lungs (correct)
  • Thymus
  • Esophagus

What are the boundaries of the mediastinum?

  • Superior- T5-T12 vertebrae, Inferior- diaphragm
  • Superior- diaphragm, Inferior- thoracic inlet
  • Superior- sternum, Inferior- mediastinal pleura
  • Superior- thoracic inlet, Inferior- diaphragm (correct)

What is the function of the mediastinum?

  • To contain thoracic viscera (correct)
  • To facilitate breathing
  • To house the lungs
  • To protect the heart

Which of the following is NOT included in the mediastinum?

<p>Lungs (B)</p> Signup and view all the answers

What is the superior boundary of the mediastinum?

<p>Thoracic inlet (B)</p> Signup and view all the answers

What are the lateral boundaries of the mediastinum?

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

Which structure forms the anterior boundary of the superior mediastinum?

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

What is the inferior boundary of the superior mediastinum?

<p>Lower border of 4th thoracic vertebrae (C)</p> Signup and view all the answers

What are the lateral boundaries of the superior mediastinum?

<p>Mediastinal pleura (C)</p> Signup and view all the answers

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