Question

Read the following statements (A to D)
(A) Rib is a flat bone connected vertebral column and dorsally to the sternum.
(B) First seven pairs of ribs are called true ribs.
(C) 8${}^{th}$ ,9${}^{th}$ and 10${}^{th}$ pairs of the ribs are called vertebro sternal ribs.
(D) 10${}^{th}$ and 11${}^{th}$ pairs of ribs are not connected dorsally and are therefore called floating ribs.
How many statements are correct?

• A. One
• B. Two
• C. Three
• D. None

Answer 1

Answer: (A)

One

A. Ribs are attached to sternum with their anterior ends.

B. First seven pair of ribs are called true ribs because their anterior are directly attached to the sternum.

C. The 8th, 9th and 10th pair of ribs are called false ribs.

D. 11tth and 12th pair of ribs are called floating ribs because their anterior ends are not attached to the sternum.

Hence only statement B is correct.

So, the correct answer is 'One'.