问题
单项选择题
Nitroglycerin is also available in ointment or paste form. Before applying nitroglycerin ointment, what should the nurse do first
A．Cleanse the skin with alcohol where the ointment will be placed.
B．Obtain the client's pulse rate and rhythm.
C．Remove the ointment previously applied."
D．Instruct the client to expect pain relief in the next 15 minutes.
答案
参考答案：C
解析：When applying nitroglycerin ointment to a client's skin, the nurse should first remove the ointment applied during previous administration. Otherwise the client will be receiving too much medication.