单选题 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.
【正确答案】 C
【答案解析】Orthostatic hypotension resulting in lightheadedness, dizziness, and fainting is a common side effect of levodopa. Clients should be taught to change positions slowly.