Thorax 101
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Questions and Answers

Which part of the body is properly called the thorax?

  • Head
  • Neck
  • Abdomen
  • Chest (correct)

    • What are the two major openings of the thorax?

  • Chest wall and thoracic skeleton
  • Superior thoracic aperture and abdominal cavity
  • Superior thoracic aperture and inferior thoracic aperture (correct)
  • Neck and abdomen

    • What is the skeletal framework of the thorax called?

  • Thoracic skeleton (correct)
  • Neurovasculature
  • Muscles
  • Fascia

    • Which muscles are the most important for breathing in the thoracic wall?

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

    Which arteries originate from the aorta and are the three largest in the thorax?

    <p>Brachiocephalic trunk, left common carotid artery, and left subclavian artery (D)</p> Signup and view all the answers

    Which veins collect deoxygenated blood from the muscles and organs of the thorax?

    <p>Superior vena cava (B)</p> Signup and view all the answers

    Which nerves contribute to the formation of the esophageal, cardiac, and thoracic aortic plexuses in the thorax?

    <p>Sympathetic trunk, vagus nerve, and thoracic splanchnic nerves (D)</p> Signup and view all the answers

    Which part of the thorax is covered by the diaphragm?

    <p>Inferior thoracic aperture (B)</p> Signup and view all the answers

    What are the components of the thorax?

    <p>Skeletal framework, fascia, muscles, and neurovasculature (C)</p> Signup and view all the answers

    What is the superior boundary of the thorax?

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

    What is the skeletal framework of the thorax called?

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

    What are the two major openings of the thorax?

    <p>Superior thoracic aperture and inferior thoracic aperture (D)</p> Signup and view all the answers

    Which part of the thorax opens towards the neck?

    <p>Superior thoracic aperture (B)</p> Signup and view all the answers

    Which part of the thorax is almost completely covered by the diaphragm?

    <p>Inferior thoracic aperture (D)</p> Signup and view all the answers

    What are the boundaries of the superior thoracic aperture?

    <p>Manubrium of sternum, first pair of ribs, and body of vertebra T1 (C)</p> Signup and view all the answers

    What is the function of the thoracic wall?

    <p>To form a strong and protective yet flexible cage (A)</p> Signup and view all the answers

    What is the function of the thoracic skeleton?

    <p>To provide support and protection for the organs within the thorax (B)</p> Signup and view all the answers

    Which muscles are involved in forming the thoracic wall by attaching to the ribs, their cartilages, or thoracic vertebrae?

    <p>Transversus thoracis (C)</p> Signup and view all the answers

    Which arteries originate from the aorta and supply various thoracic organs including bronchial, esophageal, pericardial, and mediastinal arteries?

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

    Which veins collect all the deoxygenated blood from the muscles and organs of the thorax and bring them into the superior vena cava?

    <p>Azygos venous system (C)</p> Signup and view all the answers

    Which thoracic joints include the intervertebral discs, costovertebral, sternocostal, sternoclavicular, costochondral, and interchondral joints?

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

    Which spaces between adjacent ribs are called intercostal spaces and contain the intercostal muscles together with the intercostal neurovascular bundle?

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

    Which muscles are the most important for breathing in the thoracic wall, along with the diaphragm?

    <p>Intercostal muscles (C)</p> Signup and view all the answers

    Which nerves contribute to the formation of the esophageal, cardiac, and thoracic aortic plexuses in the thorax?

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

    Which arteries are parietal branches of the thoracic aorta and supply the thoracic muscles?

    <p>Posterior intercostal arteries (D)</p> Signup and view all the answers

    Which veins are major veins of the thorax that collect deoxygenated blood from the muscles and organs of the thorax?

    <p>Azygos venous system (C)</p> Signup and view all the answers

    Which muscles are involved in forming the thoracic wall by ultimately depressing or elevating the ribs?

    <p>Serratus posterior superior (C)</p> Signup and view all the answers

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