The Nurse Is Providing Teaching to a Client About Use

The nurse is providing teaching to a client about use of sublingual nitroglycerin. Which of the following client statements indicates that the teaching has been effective?

A) "I can expect indigestion as an adverse effect of nitroglycerin."
B) "I can only take the nitroglycerin if I start to have chest pain."
C) "I will call an ambulance if I still have pain 5 minutes after taking the nitroglycerin."
D) "I will help slow down the progress of the plaque formation by taking nitroglycerin."