Question

identify the type of rib indicated by the \x\○ floating rib○ sternal rib○ true rib○ hyaline cartilage

Explanation:

Floating ribs are the lowermost ribs (typically ribs 11-12) that do not connect to the sternum or costal cartilage of other ribs, which matches the rib marked "X" in the diagram. Sternal/true ribs attach directly to the sternum, and hyaline cartilage is the connective tissue, not a rib type.

Answer:

Floating rib