After teaching a patient about digoxin (Lanoxin)—a drug used to increase the effectiveness of the heart’s contractions—which statement indicates that the teaching was effective? 

a. “I need to take my pulse every morning before I take my pill.” 

b. “If I forget my pills, I usually make up the missed dose once I remember.” 

c. “This pill might help my hay fever when it becomes a problem.” 

d. “I don’t remember the name of it, but it is the white one.”