Which forearm bone lies on the thumb side?

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Prepare for the Skeletal System AandP Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Enhance your knowledge for an impressive exam performance.

Multiple Choice

Which forearm bone lies on the thumb side?

Explanation:
In the forearm, the two long bones are the radius and ulna. In the standard anatomical position (body facing forward, palm up), the thumb side is the lateral side, and the bone lying there is the radius. The ulna sits on the opposite side, toward the pinky. Carpals are wrist bones, and phalanges are finger bones, so they aren’t the forearm bones. So the bone on the thumb side is the radius.

In the forearm, the two long bones are the radius and ulna. In the standard anatomical position (body facing forward, palm up), the thumb side is the lateral side, and the bone lying there is the radius. The ulna sits on the opposite side, toward the pinky. Carpals are wrist bones, and phalanges are finger bones, so they aren’t the forearm bones. So the bone on the thumb side is the radius.

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