Multiple Choice
Which bone in the human body is the longest?
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6. Bones & Skeletal Tissue
Gross Anatomy of Bones - Structure of a Long Bone
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What is the long bone in the upper arm that extends from the scapula to the elbow?
A
Clavicle
B
Ulna
C
Radius
D
Humerus
Verified step by step guidance1
Identify the location of the bone in question: The problem specifies the bone is in the upper arm, extending from the scapula to the elbow.
Review the anatomy of the upper arm: The upper arm contains one primary long bone that connects the shoulder to the elbow.
Recall the names of the bones in the arm: The arm consists of the humerus, ulna, and radius. The humerus is the bone in the upper arm, while the ulna and radius are in the forearm.
Understand the function and position of the humerus: The humerus is the long bone that runs from the shoulder (scapula) to the elbow, forming the upper arm.
Conclude that the correct answer is the humerus, as it is the only bone that fits the description provided in the problem.
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