You have been dispatched for a patient with severe abdominal pain. On​ scene, the​ 5-year-old male patient informs you that he has a past medical history of chronic​ pancreatitis, which has​ "flared up​ again." Which precipitating factor would you identify as the most likely cause of the​ exacerbation?
A. Consumption of six beers this afternoon at a picnic
B. Use of antibiotic medication for a respiratory infection
C. Recent upper respiratory infection
D. Dehydration after working outside for several hours