Development of the Tongue and Associated Nerves
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the origin of the mucosa covering the root of the tongue?

  • Pharyngeal pouches
  • Mesenchyme of the second, third arch and part of fourth arch (correct)
  • Occipital somites
  • Mesenchyme of the first arch

    • Which cranial nerve is responsible for the innervation of the tongue musculature?

  • Superior laryngeal nerve
  • Glossopharyngeal nerve
  • Hypoglossal nerve (correct)
  • Facial nerve

    • What is the origin of the epiglottis?

  • Hypobranchial eminence
  • Posterior part of the fourth arch (correct)
  • Pharyngeal pouches
  • Mesenchyme of the first arch

    • What are the segmented blocks of paraxial mesoderm along the trunk of the embryo called?

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

    What is the origin of the myoblasts that differentiate into tongue muscles?

    <p>Occipital somites</p> Signup and view all the answers

    What is the approximate percentage of clefts among all reported anomalies in the United States?

    <p>15%</p> Signup and view all the answers

    Which nerve is responsible for the innervation of the extreme posterior part of the tongue?

    <p>Superior laryngeal nerve</p> Signup and view all the answers

    Which of the following is NOT a type of environmental factor that can affect the embryo and contribute to cleft lip and cleft palate?

    <p>Weather conditions</p> Signup and view all the answers

    What is the term for the lack of fusion between the medial nasal process and maxillary process in one side?

    <p>Unilateral cleft lip</p> Signup and view all the answers

    Which of the following is a genetic cause of cleft lip and cleft palate?

    <p>Genetic defects or disorders</p> Signup and view all the answers

    What is the approximate incidence of cleft lip per 1000 births?

    <p>1/1000</p> Signup and view all the answers

    Which of the following is a type of facial cleft due to the lack of fusion between the maxillary process and lateral nasal process?

    <p>Oblique facial cleft</p> Signup and view all the answers

    Which pharyngeal arch is associated with the development of the posterior most part of the tongue?

    <p>Fourth pharyngeal arch</p> Signup and view all the answers

    Which cranial nerve is responsible for supplying the mucosa of the posterior third of the tongue?

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

    What is the primary function of the tongue in the digestive system?

    <p>All of the above</p> Signup and view all the answers

    What is the embryonic structure that gives rise to the anterior two-thirds of the tongue?

    <p>Lingual swellings and tuberculum impar</p> Signup and view all the answers

    What is the function of the tongue in the act of speech?

    <p>Enabling speech</p> Signup and view all the answers

    What is the name of the swelling that appears in the midline during tongue development?

    <p>Tuberculum impar</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser