Which of the following information should be given to an angina patient about nitroglycerin?

Question

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Since anginal attacks are unpredictable, it is important for patients to carry the prescribed medication at all times. Nitroglycerin is volatile, and tablets lose potency if exposed to air or light. Therefore, it is important that tablets be carried in light-resistant, airtight containers. Also, standard practice is not to use nitroglycerin tablets that are more than 6 months old since there may be significant loss of potency.

Which of the Following Information Should Be Given to an Angina