The posterior vertebral arch in the lumbar vertebrae is formed by the union of:

the transverse process and lamina
the two laminae
both pedicles
the pedicle and lamina


the two laminae

Rationale: The union of the two laminae most posteriorly will close off the posterior vertebral arch.

Health Professions

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In post and beam construction, vertical posts may be spaced up to ___ inches

A) 12 (300) B) 16 (400) C) 20 (500) D) 24 (600)

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Which of the following is NOT a type of turnaround to which larger dead-end access roads must conform?

A. Y-shaped B. Alley dock C. Cul-de-sac D. T or hammer head

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A) Tags B) Tubules C) Residue D) Damaged tooth structure

Health Professions