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Multiple Choice
Which of the following best describes the clavicles?
A
They are long bones that connect the sternum to the scapulae.
B
They are the bones that form the fingers.
C
They are the small bones that make up the wrist.
D
They are the bones that form the forearm between the elbow and wrist.
Verified step by step guidance
1
Step 1: Understand the anatomy of the clavicles. The clavicles, commonly known as collarbones, are long bones located horizontally across the top of the chest. They connect the sternum (breastbone) to the scapulae (shoulder blades).
Step 2: Compare the clavicles to the other options provided. The clavicles are not involved in forming the fingers, wrist, or forearm. These structures are formed by different bones such as phalanges (fingers), carpals (wrist), and radius/ulna (forearm).
Step 3: Recall the classification of bones. Long bones are characterized by their elongated shape and are primarily involved in movement and support. The clavicles fit this description as they are long bones that provide structural support and serve as attachment points for muscles.
Step 4: Eliminate incorrect options. The bones forming the fingers are phalanges, the small bones making up the wrist are carpals, and the bones forming the forearm are the radius and ulna. None of these describe the clavicles.
Step 5: Confirm the correct answer. Based on anatomical knowledge, the clavicles are long bones that connect the sternum to the scapulae, making this the best description.