Anatomy of the Neck

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Questions and Answers

Which muscle bounds the anterior triangle of the neck?

  • Trapezius muscle
  • Platysma
  • Pectoralis major
  • Sternocleidomastoid muscle (correct)

What is one of the surface landmarks of the neck?

  • Zygomatic arch
  • Hyoid bone (correct)
  • Maxilla
  • Temporal bone

Which of the following indicates a boundary of the posterior triangle of the neck?

  • Midline of the neck
  • Thyroid cartilage
  • Clavicle (correct)
  • Lower border of the mandible

Which landmark is located inferior to the mandible?

<p>Suprasternal notch (B)</p> Signup and view all the answers

Which of the following muscles is NOT mentioned as a surface landmark in the application content?

<p>Deltoid muscle (D)</p> Signup and view all the answers

Which muscle is considered a suprahyoid muscle?

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

What is the primary function of the infrahyoid muscles?

<p>Stabilize the hyoid bone (B)</p> Signup and view all the answers

Which muscle is located in the neck and assists with facial expressions?

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

Which arteries provide blood supply to the thyroid gland?

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

What structure separates the lobes of the thyroid gland?

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

Which of the following is NOT a characteristic of the suprahyoid muscles?

<p>They are involved in neck rotation (C)</p> Signup and view all the answers

Which muscle is specifically identified as part of the infrahyoid muscle group?

<p>Sternohyoid muscle (C)</p> Signup and view all the answers

Which of the following statements is true regarding the common carotid artery?

<p>It provides blood to the brain and face (A)</p> Signup and view all the answers

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Study Notes

Anatomy of the Neck

  • The lecture focuses on the anatomy of the neck.
  • Surface landmarks include:
    • Mandibular border
    • Hyoid bone
    • Thyroid cartilage
    • Cricoid cartilage
    • Suprasternal notch
    • Clavicle bone
    • Sternocleidomastoid muscle
    • Trapezius muscle
  • Triangles of the neck are:
    • Anterior triangle:
      • Bounded by the lower border of the mandible, sternocleidomastoid muscle and midline
    • Posterior triangle:
      • Bounded by the clavicle, sternocleidomastoid muscle, and trapezius muscle
  • Muscles of the neck:
    • Platysma muscle
    • Suprahyoid muscles:
      • Digastric muscle
      • Mylohyoid muscle
      • Stylohyoid muscle
    • Infrahyoid muscles:
      • Omohyoid muscle
  • Thyroid gland anatomy
    • Has a right lobe, left lobe, and isthmus.
    • Blood supply:
      • Subclavian artery
      • Common carotid artery

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