1. What are the top 3 differentials you would consider with the presumptive final diagnosis listed first? ( please Use Chrons disease as the primary differential diagnosis and include Ulcerative Colitis and Appendicitis as the other 2 differential diagnoses)( Explain each)

Please review the following case study, use references no more than 5 years old, use evidence based treatment guidelines and answer the following questions:
An 18 year old white female presents to your clinic today with a 2 week history of intermittent abdominal pain. She also is positive for periodic cramping and diarrhea as well as low grade fever. She also notes reduced appetite. She notes that She admits smoking PPD for the last 2 years. Denies any illegal drug or alcohol use. Does note a positive history of Crohn’s Disease. Based on the information provided answer the following questions:

2. What focused physical exam findings would be beneficial to know?
3. What diagnostic testing needs completed if any to confirm diagnosis of Chrons disease ?
4. Using evidence based treatment guidelines note a treatment plan for Chrons disease and include nutrition.