问题
单项选择题
The nurse suspects that a 68-year-old client has digoxin toxicity. The nurse should assess for （）.
A．hearing loss.
B．vision changes.
C．decreased urine output.
D．gait instability.
答案
参考答案：B
解析：
Vision changes, such as halos around objects, are signs of digoxin toxicity. Hearing loss can be detected through hearing assessment; however, it isn't a common sign of digoxin toxicity. Intake and output aren't affected unless there's nephrotoxicity, but that situation is uncommon. Gait changes are also uncommon.