Problem: Which instruction would the nurse give to help a patient prevent gastritis? Select all that apply. One, some, or all responses may be correct. Which instruction would the nurse give to help a patient prevent gastritis? Need Online Tutoring? Select all that apply. One, some, or all responses may be correct. Avoid coffee as it contains caffeine; have tea instead. Try complementary and alternative therapies to manage stress. Ensure that food and water are safe and not contaminated. Take ibuprofen whenever you have pain in the abdomen. Avoid exposure to toxic substances, such as nickel, at the workplace.