Embryology Quiz
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Questions and Answers

Which of the following does NOT contribute to the formation of the pharyngeal arch?

  • Neural crest cells
  • Mesenchyme
  • Hox genes
  • Ectoderm (correct)

    • Which one of the following is NOT a characteristic of the pharyngeal arches?

  • They all develop into adult head and neck structures
  • They are unilateral
  • They are made up entirely of ectoderm (correct)
  • They meet in the middle line in the floor of the pharynx

    • Which of the following statements about Meckel's cartilage is incorrect?

  • It degenerates after contributing to the formation of structures (correct)
  • It is the connective tissue element of Arch I
  • It contributes to the formation of the incus and stapes
  • It provides the model for the mandible to form

    • Which of the following structures is NOT a derivative of the connective tissue cells of the first pharyngeal arch?

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

    Which group of muscles is formed by the cells of the second pharyngeal arch?

    <p>Muscles of facial expression</p> Signup and view all the answers

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