The most anterior ridge of the sacrum is the
A) median sacral crest.
B) sacral promontory.
C) sacral hiatus.
D) third dorsal sacral foramen.

Question

Quizplus · Accepted Answer

The sacral promontory is the most anterior ridge of the sacrum and is a landmark used in obstetrics to estimate the size of the pelvic inlet. The median sacral crest runs down the posterior aspect of the sacrum, the sacral hiatus is a gap at the inferior end of the sacrum, and the third dorsal sacral foramen is a specific foramen on the dorsal aspect of the sacrum.

The Most Anterior Ridge of the Sacrum Is the