问题
单项选择题
The nurse is instructing a client with angina about sublingual nitroglycerin. Which of the following points should be included
A．The shelf life of nitroglycerin is long, it keeps for up to 2 years.
B．Store the tablets in a tight, light-resistant container.
C．Use the tablets only when the pain is severe.
D．The drug will cause increased urine output.
答案
参考答案：B
解析：Clients should be instructed to keep nitroglycerin in a tightly closed, dark container and to replenish it frequently because it deteriorates rather rapidly.