Which facial bone forms the upper jaw?

Study for the Nassau County EMT Test. Prepare with flashcards and multiple-choice questions. Each question is accompanied by hints and explanations. Get ready for your exam!

Multiple Choice

Which facial bone forms the upper jaw?

Explanation:
The bone that forms the upper jaw is the maxillae. These paired bones shape most of the upper face, hold the upper teeth in the alveolar sockets, and together form the upper dental arch. They also contribute to the front part of the palate (the hard palate via the palatine processes), and help form the floor of the orbit and the sides of the nasal cavity. In contrast, the mandible is the lower jaw, the zygomatic bone is the cheekbone, and the nasal bone forms the bridge of the nose.

The bone that forms the upper jaw is the maxillae. These paired bones shape most of the upper face, hold the upper teeth in the alveolar sockets, and together form the upper dental arch. They also contribute to the front part of the palate (the hard palate via the palatine processes), and help form the floor of the orbit and the sides of the nasal cavity. In contrast, the mandible is the lower jaw, the zygomatic bone is the cheekbone, and the nasal bone forms the bridge of the nose.

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