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Multiple Choice
Which part of the skull contains the condyles that articulate with the atlas vertebra?
A
Occipital bone
B
Temporal bone
C
Sphenoid bone
D
Parietal bone
Verified step by step guidance
1
Identify the anatomical location of the atlas vertebra, which is the first cervical vertebra (C1) in the spine, and understand that it articulates with the base of the skull.
Recall that the condyles are rounded projections on a bone that allow for articulation with another bone. In this case, the condyles on the skull articulate with the superior facets of the atlas vertebra.
Review the anatomy of the skull and locate the occipital bone, which forms the posterior and inferior part of the cranium and is situated at the base of the skull.
Understand that the occipital bone contains two rounded structures called the occipital condyles. These condyles are the specific parts of the skull that articulate with the atlas vertebra, allowing for nodding movements of the head.
Eliminate the other options (temporal bone, sphenoid bone, parietal bone) by recognizing that they do not contain condyles or directly articulate with the atlas vertebra.