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Multiple Choice
Which bone forms the upper jaw in the human skeleton?
A
Maxilla
B
Nasal bone
C
Zygomatic bone
D
Mandible
Verified step by step guidance
1
Step 1: Begin by identifying the anatomical location of the upper jaw in the human skeleton. The upper jaw is the part of the skull that holds the upper teeth and forms the roof of the mouth.
Step 2: Review the names and functions of the bones listed in the options: Maxilla, Nasal bone, Zygomatic bone, and Mandible. Understand their anatomical positions and roles in the skull.
Step 3: Recall that the Maxilla is a paired bone that forms the upper jaw and contributes to the structure of the face, including the orbit and nasal cavity. It also houses the upper teeth.
Step 4: Eliminate the other options based on their anatomical roles: The Nasal bone forms the bridge of the nose, the Zygomatic bone forms the cheekbone, and the Mandible forms the lower jaw.
Step 5: Conclude that the correct answer is the Maxilla, as it is the bone responsible for forming the upper jaw in the human skeleton.