When are sustained-release nitroglycerin tablets administered?
a. Once a day
b. At bedtime
c. When symptoms of acute angina appear
d. Every 8 to 12 hours
ANS: D
Sustained-release nitroglycerin tablets are usually taken on an empty stomach every 8 to 12 hours. If gastritis develops, it may be necessary to take these tablets with food. To be effective, sustained-release nitroglycerin must be taken more often. Sustained-release nitroglycerin is taken to prevent angina; waiting until symptoms occur decreases its effectiveness.
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