A nurse is teaching a client who has angina about nitroglycerin sublingual tablets. Which of the following statements should the nurse include in the teaching?

"Place one tablet under your tongue every 15 minutes and repeat up to 5 times for relief of chest pain

"This medication is the first line treatment for hypertension"

"This medication decreases chest pain by dissolving blood clots that are occluding the arteries."

"This medication dilates cardiac blood vessels to deliver more oxygen to the heart."