A nurse is reinforcing teaching with a client who has chronic stable angina and a new prescription for sublingual nitroglycerin.Which of the following instructions should the nurse include in the teaching?

Choice A rationale:Sublingual nitroglycerin should be taken without water. The tablet should be placed under the tongue and allowed to dissolve.Choice B rationale:It is recommended to take sublingual nitroglycerin before activities that might cause angina.Choice C rationale:The maximum recommended dosage is three tablets within 15 minutes, not four.Choice D rationale:Sublingual nitroglycerin should not be chewed. It should be allowed to dissolve under the tongue.