Which term refers to the bone on the thumb side of the forearm?

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Multiple Choice

Which term refers to the bone on the thumb side of the forearm?

Explanation:
The forearm has two bones: radius and ulna. The bone on the thumb side is the radius. In the standard anatomical position, the forearm is supinated with the palm facing forward, placing the radius on the lateral (thumb) side and the ulna on the medial (pinky) side. Proximal is a directional term, not a bone, and patella is the kneecap. So the bone corresponding to the thumb side is the radius.

The forearm has two bones: radius and ulna. The bone on the thumb side is the radius. In the standard anatomical position, the forearm is supinated with the palm facing forward, placing the radius on the lateral (thumb) side and the ulna on the medial (pinky) side. Proximal is a directional term, not a bone, and patella is the kneecap. So the bone corresponding to the thumb side is the radius.

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