You have been assigned to care for Mr. P, a 44 year old patient recently diagnosed with peptic ulcer disease. He has a 15 pack-year history of smoking cigarettes, and he takes ibuprofen (Motrin) regularly for an old football injury to his knee. He has been prescribed cimetidine. You are teaching him how to manage his peptic ulcer disease and other conditions. How would you best answer the following questions from Mr. P?. (1). Mr. P says, " When I take an antacid, like Rolaids, I feel better. Why can't I take antacids anymore?. That's what the doctor told me" (2). He states, "I have a headache, and my knee hurt. I need an aspirin or a Motrin." (3). Mr. P asks, "What can you tell me about the negative effects of this pill?"