The Depression on the Posterior Surface at the Distal End

Question

The depression on the posterior surface at the distal end of the humerus is the
A) olecranon fossa.
B) coronoid fossa.
C) radial fossa.
D) intertubercular groove.
E) radial groove.

Accepted Answer

The depression on the posterior surface at the distal end of the humerus is the olecranon fossa, which accommodates the olecranon process of the ulna when the arm is extended. The other options refer to different depressions or grooves on the humerus but are not located at the distal end.