Question Detail

ZOO 101 Skeleton and Supporting Systems Objective Question

Question

Which ribs are not attached to the sternum and are known as floating ribs?
Options
A The first seven pairs.
B The first ten pairs.
C The last two pairs.
Correct Answer
D All twelve pairs.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The last two pairs of ribs (11th and 12th) are free and not attached to the sternum, so they are known as floating ribs.

Hint

They are only attached to the vertebrae at the back.

Question Info