The nurse volunteers to work at the annual summer 20-mile marathon in her community.In planning for the event,the nurse knows that which of the following nursing diagnoses is most important to include in the plan?

A) Risk for Fatigue
B) Risk for Elevated Heart Rate
C) Risk for Alterations in Blood Pressure
D) Risk for Imbalanced Body Temperature

The nursing diagnosis of Risk for Impaired Body Temperature is used when the temperature is normal but the client is at risk for failure to maintain a body temperature within normal limits.In this item,the nurse is volunteering at a summer marathon.Because of the strain of the marathon,the environmental temperature,and the elevated metabolic rate created by strenuous exercise,the most important diagnosis is Risk for Impaired Body Temperature.It is expected that the participants will be fatigued,incur elevated heart rates,and have some alterations in BP.