Question

lo 3.5. on the posterior surface, running down the midline, is the __ __, a bumpy ridge that is the remnant of the fused spinous processes

anterior sacral crest

median sacral crest

median dorsal crest

superior lumbar crest

transverse sacral crest

Explanation:

The median sacral crest is located on the posterior surface of the sacrum, running down the mid - line. It is a bumpy ridge that results from the fusion of spinous processes. The other options do not match this anatomical description.

Answer:

B. Median sacral crest