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Multiple Choice
A fracture of which of the following bones would be considered a skull fracture?
A
Parietal bone
B
Clavicle
C
Mandible
D
Cervical vertebra
Verified step by step guidance
1
Step 1: Understand the anatomy of the skull. The skull is composed of several bones, including the parietal bone, frontal bone, occipital bone, temporal bone, and others. These bones form the protective structure around the brain.
Step 2: Identify the location and function of each bone listed in the options. The parietal bone is part of the skull, located on the sides and roof of the cranium. The clavicle (collarbone) is part of the appendicular skeleton, connecting the arm to the trunk. The mandible is the lower jawbone, and the cervical vertebrae are part of the spine in the neck region.
Step 3: Determine which bone is part of the skull. Among the options, the parietal bone is the only one that is part of the skull. The clavicle, mandible, and cervical vertebrae are not part of the cranial structure.
Step 4: Recognize that a fracture of the parietal bone would be classified as a skull fracture because it is one of the bones forming the cranium, which protects the brain.
Step 5: Conclude that the correct answer is the parietal bone, as it is the only bone listed that is part of the skull.