问题
单项选择题
Mr. Smith has had a cast applied to his arm as an outpatient in the emergency room. Which of the following home care instructions should the nurse advice for his cast care
A．Use a ruler to reach inside and scratch under the cast.
B．Apply a heating pad to the arm for 24 hours after the injury.
C．Use powder on the skin around the cast.
D．Smell the cast for foul odors.
答案
参考答案：D
解析：The client should be instructed to smell the cast to note foul odors, a sign of potential infection.