DDS YR1 Anatomy: Anterior Triangle of the Neck
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Questions and Answers

What are the muscles called that are in the same plane as the body wall musculature and have a flat shape?

  • Pyramid muscles
  • Round muscles
  • Strap muscles (correct)
  • Spherical muscles
  • Which triangle of the neck is bounded by the anterior belly of the digastric muscle and the body of the mandible?

  • Digastric triangle
  • Hyoid triangle
  • Carotid triangle
  • Submental triangle (correct)
  • What does the digastric triangle contain?

  • Sternohyoid and sternothyroid
  • Superior and inferior belly of omohyoid
  • Internal jugular vein and thyrohyoid
  • Facial and submental vessels (correct)
  • Which nerve is part of the contents found in the submental triangle of the neck?

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

    What is the boundary of the carotid triangle in the neck?

    <p>Sternocleidomastoid and posterior belly of digastric muscles</p> Signup and view all the answers

    What structures are found within the carotid triangle in the neck?

    <p>Internal jugular vein and vagus nerve</p> Signup and view all the answers

    Which artery arises from the brachiocephalic artery on the right side?

    <p>Common carotid artery</p> Signup and view all the answers

    Where does the common carotid artery divide into the external and internal carotid arteries?

    <p>At the lower border of the thyroid cartilage</p> Signup and view all the answers

    What serves as a reflex baroreceptor at the bifurcation of the common carotid artery?

    <p>Carotid sinus</p> Signup and view all the answers

    Where is the carotid body located relative to the bifurcation of the common carotid artery?

    <p>Posterior to the bifurcation</p> Signup and view all the answers

    Which nerve provides numerous nerve endings to the carotid sinus at the bifurcation?

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

    What separates the muscular triangle in the neck from the carotid triangle?

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

    Which muscle assists the lateral pterygoid in mouth opening?

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

    From where does the mylohyoid muscle arise?

    <p>Genial tubercle of the mandible</p> Signup and view all the answers

    What is the nerve supply of the geniohyoid muscle?

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

    Which muscle inserts into the base of the greater horn of the hyoid bone?

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

    The posterior belly of the digastric muscle is supplied by which nerve?

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

    What action does the geniohyoid muscle perform?

    <p>Elevate the hyoid</p> Signup and view all the answers

    What is the nerve supply for the Sternohyoid muscle?

    <p>Branch from ansa cervicalis</p> Signup and view all the answers

    Which muscle forms a shallow gutter, facilitating the elevation of the tongue and hyoid bone during swallowing?

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

    Where does the inferior belly of the Omohyoid muscle pass to be inserted?

    <p>Transverse scapular ligament and upper border of the scapula</p> Signup and view all the answers

    Which muscle arises from the greater horn of the hyoid and is inserted into the oblique line of the thyroid cartilage?

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

    Which nerve supplies the Thyrohyoid muscle?

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

    What is the function of the Anterior triangle of the neck's Nerve to mylohyoid?

    <p>Supports the weight and thrust of the tongue</p> Signup and view all the answers

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