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DAA Exam 1 Practice

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Costotransverse bar is typically found on which group of vertebrae?
Correct Answer:
Typical cervical vertebrae
Explanation:
The costotransverse bar relates to the point where the rib tubercle articulates with the transverse process. This costotransverse articulation is a feature of typical thoracic vertebrae, which have a transverse costal facet on the transverse process to receive the rib tubercle. Cervical vertebrae lack these transverse costal facets (ribs do not articulate with their transverse processes), lumbar vertebrae have no costal facets, and the sacrum is fused with no direct costal articulations. So, the costotransverse bar is typical of the thoracic vertebrae.

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