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Anatomy of Neck Triangles
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Anatomy of Neck Triangles

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Questions and Answers

What muscle forms the lateral boundary of the supraclavicular triangle?

  • Brachialis
  • Omohyoid
  • Scalene
  • Sternocleidomastoid (correct)
  • What is the inferior boundary of the supraclavicular triangle?

  • Clavicle
  • Scalene tubercle
  • First rib (correct)
  • Scalene muscle
  • Which structure passes through the anterior fissure of the scalene muscles?

  • Subclavian vein (correct)
  • Cephalic vein
  • Brachial plexus
  • Subclavian artery
  • What is the middle boundary of the anterior fissure of the scalene muscles?

    <p>Anterior scalene muscle</p> Signup and view all the answers

    Which nerve plexus is situated in the posterior fissure of the scalene muscles?

    <p>Brachial plexus</p> Signup and view all the answers

    What is the floor of the supraclavicular triangle formed by?

    <p>Scalene muscles</p> Signup and view all the answers

    What is the posterior boundary of the posterior fissure of the scalene muscles?

    <p>Posterior scalene muscle</p> Signup and view all the answers

    What is situated in the groove on the first rib, anterior to the scalene tubercle?

    <p>Subclavian vein</p> Signup and view all the answers

    What is the function of the minor scalene muscle?

    <p>To separate the subclavian artery and the brachial plexus</p> Signup and view all the answers

    What is the lateral boundary of the anterior fissure of the scalene muscles?

    <p>Sternocleidomastoid muscle</p> Signup and view all the answers

    What is the boundary of the posterior fissure of the scalene muscles?

    <p>Anteriorly - anterior scalene muscle</p> Signup and view all the answers

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