The home health nurse is reinforcing teaching for a client with atrial fibrillation who is prescribed digoxin 0.25 mg orally on even-numbered days. Which client statement will require further teaching about digoxin?

A I will call the health care provider if I don't feel like eating. B I will call the health care provider if I feel dizzy and lightheaded. D I will take my blood pressure before taking my medicine. C I will call the health care provider if I have trouble reading.