Certified Pediatric Nurse Exam Practice Questions Related

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After surgery the nurse notes that the patient's urine is dark amber and concentrated. Which of the following does the nurse understand may be the reason for this?

  • A. The sympathetic nervous system saves fluid in response to stress of surgery.
  • B. The sympathetic nervous system diereses fluid in response to stress of surgery.
  • C. The parasympathetic nervous system saves fluid in response to stress of surgery.
  • D. The parasympathetic nervous system diereses fluid in response to stress of surgery.
Correct Answer: A

Rationale: The sympathetic nervous system saves fluid in response to the stress of surgery, leading to the urine becoming dark amber and concentrated. During stressful events such as surgery, the body activates the sympathetic nervous system as part of the fight-or-flight response. One of the functions of the sympathetic nervous system in this situation is to conserve fluids in the body by reducing urine output. This results in more concentrated urine, often appearing dark amber in color. Conversely, the parasympathetic nervous system is not typically involved in conserving fluid during stress responses.