Which bone is the upper arm bone?

Prepare for the California Self‑Insurance Plans (SIP) Exam with our interactive quiz. Benefit from multiple-choice questions, detailed explanations, and essential tips to enhance your knowledge and succeed in your exam!

Multiple Choice

Which bone is the upper arm bone?

Explanation:
The upper arm bone is the humerus. It runs from the shoulder to the elbow, forming the main bone of the upper limb and connecting with the shoulder blade at the top and with the forearm bones at the bottom. The radius and ulna are in the forearm, not the upper arm, with the radius on the thumb side and the ulna on the pinky side. The scaphoid is a carpal bone in the wrist. So the humerus is the correct bone for the upper arm.

The upper arm bone is the humerus. It runs from the shoulder to the elbow, forming the main bone of the upper limb and connecting with the shoulder blade at the top and with the forearm bones at the bottom. The radius and ulna are in the forearm, not the upper arm, with the radius on the thumb side and the ulna on the pinky side. The scaphoid is a carpal bone in the wrist. So the humerus is the correct bone for the upper arm.

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