The nurse suspects that Mr. Melborne may have peptic ulcer disease. What is the most appropriate action for the nurse to take?
1) Order a blood test to check for H. pylori infection
2) Refer Mr. Melborne to a gastroenterologist for further evaluation
3) Administer antacids to Mr. Melborne for symptom relief
4) Advise Mr. Melborne to avoid spicy and acidic foods
