Multiple Choice
In the context of joint anatomy, what structure connects bones to other bones?
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8. Joints
Introduction to Joints
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Why is the rib at position B considered a true rib?
A
It is directly attached to the sternum via its own costal cartilage.
B
It is not attached to the sternum at all.
C
It is indirectly attached to the sternum through the cartilage of another rib.
D
It is attached to the vertebrae only.
Verified step by step guidance1
Understand the definition of true ribs: True ribs are those that are directly attached to the sternum via their own costal cartilage.
Identify the anatomical structure of the rib cage: The human rib cage consists of 12 pairs of ribs, where the first seven pairs are considered true ribs.
Examine the attachment of the rib at position B: Determine if the rib at position B has its own costal cartilage that connects directly to the sternum.
Differentiate between true ribs and false ribs: False ribs either attach indirectly to the sternum via the cartilage of another rib or do not attach to the sternum at all.
Conclude why the rib at position B is a true rib: Based on its direct attachment to the sternum via its own costal cartilage, classify it as a true rib.
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