Neck Muscles and Torticollis
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Questions and Answers

What is the primary function of the sternocleidomastoid muscle?

  • Lateral bending of the head (correct)
  • Attachment of the hyoid bone
  • Facial expression
  • Respiratory assistance
  • Which cervical vertebra is characterized by a long spinous process?

  • C3
  • C2 (axis)
  • C7 (vertebra prominens) (correct)
  • C1 (atlas)
  • What is the common feature of the transverse processes in cervical vertebrae?

  • Small body
  • Bifid spinous process
  • Transverse foramen for vertebral artery (correct)
  • Large vertebral foramen
  • Which of the following muscles lies in the subcutaneous tissue of the neck?

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

    What is the clinical significance of inflamed lymph nodes in the neck?

    <p>Cervical pain</p> Signup and view all the answers

    Which bone serves as an attachment for the anterior neck muscles?

    <p>Hyoid bone</p> Signup and view all the answers

    Which muscle elevates the second rib during forced inspiration and bends the neck laterally?

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

    Which of the following structures does not pass between the anterior and middle scalene muscles?

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

    How many layers compose the cervical fascia?

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

    Which of the following muscles is considered an upper limb muscle?

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

    Which muscle depresses the hyoid bone and elevates the larynx?

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

    What is the function of the suprahyoid muscles?

    <p>To steady or move the hyoid bone and larynx superiorly and inferiorly</p> Signup and view all the answers

    Which muscle is innervated by the accessory nerve (CN XI) and is responsible for flexing the neck?

    <p>Longus colli muscle</p> Signup and view all the answers

    What is the role of the scalene muscles in respiration?

    <p>To increase the volume of the thorax by elevating the 1st and 2nd rib</p> Signup and view all the answers

    Which muscle forms the floor of the mouth and elevates the floor of the mouth, tongue, and the hyoid bone?

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

    Which nerve innervates the thyrohyoid muscle?

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

    Which muscle forms the floor of the submental triangle?

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

    Which nerve can be found in the submandibular triangle?

    <p>Hypoglossal nerve (CN XII)</p> Signup and view all the answers

    How many smaller triangles is the anterior cervical triangle divided into?

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

    Which of the following arteries is not found in the anterior cervical triangle?

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

    Which structure forms the roof of the anterior cervical triangle?

    <p>Jugular notch of the manubrium</p> Signup and view all the answers

    Which of the following muscles is not found in the anterior cervical triangle?

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

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