Submandibular Region Anatomy
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Questions and Answers

Which structure is NOT found in the submandibular region?

  • Sublingual salivary gland
  • Parotid gland (correct)
  • Submandibular salivary gland
  • Carotid sheath

What is the function of the digastric muscle?

  • To depress the mandible
  • To elevate the hyoid bone
  • To retract the tongue
  • Both a and b (correct)

Which nerve supplies the anterior belly of the digastric muscle?

  • Mandibular division of the trigeminal nerve (correct)
  • Glossopharyngeal nerve
  • Hypoglossal nerve
  • Facial nerve

Which of the following structures is NOT found in the submandibular region?

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

What is the function of the genioglossal muscle?

<p>To protrude the tongue (C)</p> Signup and view all the answers

Which of the following nerves passes through the submandibular region?

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

What is the action of the stylohyoid muscle?

<p>Elevates the hyoid bone (C)</p> Signup and view all the answers

Which nerve supplies the mylohyoid muscle?

<p>Inferior alveolar nerve (C)</p> Signup and view all the answers

What is the origin of the hyoglossus muscle?

<p>Body and greater cornu of the hyoid bone (D)</p> Signup and view all the answers

Where are the posterior fibers of the mylohyoid muscle inserted?

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

What is true about the geniohyoid muscle?

<p>Lies above the mylohyoid (B)</p> Signup and view all the answers

Which muscle assists in both elevating the hyoid bone and drawing it forward?

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

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