In the Following Illustration, Structure "A" Refers to a Fossa

Multiple Choice

In the following illustration, structure "a" refers to a fossa, which is a convexity or bulge on a tooth. Structure "b" refers to a ridge, which is a concavity or depression within a tooth.

A) Both statements are true.
B) The first statement is true; the second statement is false.
C) The first statement is false; the second statement is true.
D) Both statement are false.