问题
单项选择题
A 78-year-old client with sensorineural hearing loss is admitted to a rehabilitation center after hip replacement surgery. A risk factor for this client would be （）.
A．altered perceptions.
B．toxic levels of pain medication.
C．impaired cognitive function.
D．impaired sense of time.
答案
参考答案：A
解析：
This client may be at risk for altered perceptions related to an unfamiliar environment. Nothing in this case relates to pain or medication for pain. Also, no information is given regarding the client's cognitive function. Impaired sense of time would be included in altered perceptions.