Human Thorax Anatomy and Embryology Quiz
24 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

How many pleural cavities are present in the thorax?

  • Four
  • Two (correct)
  • One
  • Three
  • What is the main function of the thorax?

  • Excretion
  • Digestion
  • Respiration (correct)
  • Circulation
  • What structures does the thoracic wall consist of?

  • Lymphatic vessels
  • Endocrine glands
  • Skeletal elements and muscles (correct)
  • Blood vessels and nerves
  • How many thoracic vertebrae are there posteriorly?

    <p>12</p> Signup and view all the answers

    What is the superior thoracic aperture formed by?

    <p>T1, medial margin of rib I, manubrium of the sternum</p> Signup and view all the answers

    What forms the inferior thoracic aperture?

    <p>Body of T12, rib XII, xiphoid process</p> Signup and view all the answers

    Which of the following is part of the thoracic wall's skeletal framework?

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

    How many sites for articulations with ribs are there in the thoracic wall?

    <p>2</p> Signup and view all the answers

    What is the main function of the thorax in relation to the heart and lungs?

    <p>To protect</p> Signup and view all the answers

    What is the function of the thorax as a conduit?

    <p>For passing air</p> Signup and view all the answers

    What is the main role of the thorax in biomechanics?

    <p>To facilitate respiration</p> Signup and view all the answers

    What is the superior margin of the manubrium in the same horizontal plane as?

    <p>The intervertebral disc between TII and TIII</p> Signup and view all the answers

    Which muscle is the most powerful and important during inspiration?

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

    Which ribs articulate directly with the sternum?

    <p>True ribs</p> Signup and view all the answers

    Which ribs lack an anterior connection with other ribs or with the sternum?

    <p>Ribs XI and XII</p> Signup and view all the answers

    Which muscle depresses the ribs?

    <p>Transversus thoracis muscles</p> Signup and view all the answers

    Which joint is not synovial but a fibrocartilaginous joint?

    <p>Sternocostal joints</p> Signup and view all the answers

    Which muscle participates in the decrease of thoracic dimension during exhalation?

    <p>Internal intercostals</p> Signup and view all the answers

    Which thoracic vertebrae lacks inferior costal facets and articulates only with its own ribs?

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

    Which muscle is found in each intercostal space and is responsible for expiration?

    <p>Internal intercostals</p> Signup and view all the answers

    Which muscle is innervated by the phrenic nerve and is attached peripherally to the xiphoid process?

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

    Which joints provide anchorage to the sternum and contribute to the formation of an inferior costal margin?

    <p>Interchondral joints</p> Signup and view all the answers

    Which muscles elevate the ribs and reinforce the thoracic wall?

    <p>Transversus thoracis muscles</p> Signup and view all the answers

    Which muscles increase the dimension of the thorax during inhalation?

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

    More Like This

    Use Quizgecko on...
    Browser
    Browser