Question

$11^{th}$ and $12^{th}$ pair of ribs which are imperfectly formed and do not reach the sternum are called

• A. pseudo ribs
• B. false ribs
• C. floating ribs
• D. visceral ribs

Answer 1

Answer: (C)

The last two pairs of ribs ($11^{th}$ and $12^{th}$) are called floating ribs as their anterior ends are not attached to either the sternum or the cartilage of another rib. The floating ribs provide protection to kidneys.