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Multiple Choice
Which of the following correctly labels the ends of the right clavicle?
A
Proximal (humeral) end and distal (ulnar) end
B
Medial (sternal) end and lateral (acromial) end
C
Anterior (pectoral) end and posterior (vertebral) end
D
Superior (scapular) end and inferior (radial) end
Verified step by step guidance
1
Understand the anatomy of the clavicle: The clavicle is a long bone that connects the upper limb to the trunk. It has two distinct ends: the medial (sternal) end and the lateral (acromial) end.
Identify the medial (sternal) end: This end of the clavicle articulates with the manubrium of the sternum at the sternoclavicular joint. It is located closer to the midline of the body.
Identify the lateral (acromial) end: This end of the clavicle articulates with the acromion of the scapula at the acromioclavicular joint. It is located farther from the midline of the body.
Eliminate incorrect options: The proximal (humeral) and distal (ulnar) ends are terms used for bones in the arm, not the clavicle. Similarly, anterior (pectoral) and posterior (vertebral) ends, as well as superior (scapular) and inferior (radial) ends, do not accurately describe the anatomy of the clavicle.
Confirm the correct answer: The correct labels for the ends of the right clavicle are the medial (sternal) end and the lateral (acromial) end, as these terms accurately describe the anatomical connections and positions of the clavicle.