On a field trip you discover a skeleton with the following characteristics: the acetabulum is directedlaterally, the ischial spine points medially, and the angle inferior to the pubic symphysis is less than 90 degrees. The long bones of the arms and legs are relatively light and show epiphyseal plates. This skeleton is probably from
A) a young male.
B) a young female.
C) an elderly male.
D) an elderly female.
E) an infant male.

Question

Quizplus · Accepted Answer

The characteristics described, such as the acetabulum directed laterally, the ischial spine pointing medially, and the angle inferior to the pubic symphysis being less than 90 degrees, are indicative of a male pelvis. The presence of light long bones with epiphyseal plates suggests the individual was young, not elderly or an infant.

On a Field Trip You Discover a Skeleton with the Following