INBDE (Integrated National Board Dental Examination) Practice Exam

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Prepare for the INBDE (Integrated National Board Dental Examination) exam. Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

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Arch 1 gives rise to which skeletal structures?

  1. Maxilla, Mandible, Zygomatic, Temporal, Malleus, Incus

  2. Stapes, Styloid Process, Upper half of Hyoid Body and Lesser horns

  3. Sphenoid, Occipital, Parietal

  4. Nasal, Lacrimal, Inferior Nasal Conchae

The correct answer is: Maxilla, Mandible, Zygomatic, Temporal, Malleus, Incus

The reason B,C and D are incorrect is that B) The stapes, styloid process, upper half of hyoid body and lesser horns are derived from Pharyngeal arch 2. C) The sphenoid, occipital and parietal bones are derived from the neural crest and not from any specific arch. D) The nasal, lacrimal and inferior nasal conchae are derived from the frontonasal prominence and the lateral nasal prominences. These structures are not derived from a specific arch.