What is the purpose of Anexo I in the given text?

Anexo I provides information on the levels of evidence according to the CDC.
Anexo I lists medications that are incompatible with heparin.
Anexo I presents a protocol for peripheral catheterization.
a) Only afirmation 1 is correct.
b) Only afirmation 2 is correct.
c) Only afirmation 3 is correct.
d) Afirmations 1 and 2 are correct.
e) Afirmations 1 and 3 are correct.