Which bone is the bony projection of the ulna at the elbow?

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Multiple Choice

Which bone is the bony projection of the ulna at the elbow?

Explanation:
The olecranon is the large posterior projection at the proximal end of the ulna that forms the point of the elbow. It serves as the insertion for the triceps brachii and articulates with the humerus (olecranon fossa) when the elbow straightens. The radius is a different forearm bone, the ulna is the bone containing the projection, and the scaphoid is a carpal bone in the wrist, not involved at the elbow.

The olecranon is the large posterior projection at the proximal end of the ulna that forms the point of the elbow. It serves as the insertion for the triceps brachii and articulates with the humerus (olecranon fossa) when the elbow straightens. The radius is a different forearm bone, the ulna is the bone containing the projection, and the scaphoid is a carpal bone in the wrist, not involved at the elbow.

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