A Patient with Angina Pectoris Is Being Discharged with Nitroglycerin

A patient with angina pectoris is being discharged with nitroglycerin tablets. Which of the instructions does the nurse include in the teaching?

A) "When your chest pain begins, lie down and place one tablet under your tongue. If the pain continues, take another tablet in 5 minutes."
B) "Place one tablet under your tongue. If the pain is not relieved in 15 minutes, go to the hospital."
C) "Continue your activity. If the pain does not go away in 10 minutes, begin taking the nitro tablets one every 5 minutes for 15 minutes, then go lie down."
D) "Place one nitro tablet under your tongue. If a burning sensation and headache occur, call your doctor immediately."