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Multiple Choice
What is the most precise description of a false rib?
A
A rib that is located in the cervical region
B
A rib that is part of the floating ribs
C
A rib that is fused with the vertebrae
D
A rib that does not attach directly to the sternum
Verified step by step guidance
1
Understand the anatomy of the rib cage: The human rib cage consists of 12 pairs of ribs, which are categorized into true ribs, false ribs, and floating ribs.
Define true ribs: True ribs are the first seven pairs of ribs that attach directly to the sternum via their costal cartilages.
Define false ribs: False ribs are the next three pairs (8th, 9th, and 10th) that do not attach directly to the sternum. Instead, they connect to the cartilage of the ribs above them.
Define floating ribs: Floating ribs are the last two pairs (11th and 12th) that do not attach to the sternum at all, nor do they connect to other ribs' cartilage.
Identify the correct description: A false rib is characterized by its indirect attachment to the sternum, distinguishing it from true ribs and floating ribs.