The client diagnosed with RA who has been prescribed etanercept, a tumor necrosis factor alpha inhibitor, shows marked improvement. Which instruction regarding the use of this medication should the nurse teach?

B Continue to have checkups and laboratory work while taking the medication. A Explain the medication loses its efficacy after a few months. C Have yearly magnetic resonance imaging to follow the progress. D Discuss the drug is taken for three (3) weeks and then stopped for a week.