A client has been placed on levodopa to treat his Parkinson’s disease. Which of the following is a common side effect of levodopa that the nurse should include in the client’s teaching plan()

A. Pancytopenia.

B. Peptic ulcer.

C. Orthostatic hypotension.

D. Weight loss.

光纤通信最重要的的优点是（）。

A.尺寸小、重量轻；

B.传输损耗低，增加中继距离，减少中继站；

C.保密性强；

D.光纤具有极宽的频带，可传送巨大的信息容量。