Summarize the Special Instructions Associated with Erythropoietin Use

Summarize the special instructions associated with erythropoietin use.

A) Preparations of erythropoietin cannot be frozen or vigorously shaken because the mechanical action will break (denature) the glycoprotein.
B) Erythropoietin should not be added to any other drug solution.
C) Benzyl alcohol 0.9 percent may be added to the erythropoietin to minimize the discomfort at the injection site and act as a bacteriostatic agent.
D) All of these are correct.