You are the nurse taking care of a 22-year old female who complains of increased frequency of loose non-bloody, non-mucoid stools for three days. She notes that her eating habits have not changed recently, she has not traveled outside of the United States recently, she has no known sick contacts, no family history of colon cancer, and does not take any medications on a daily basis. She notes that her job has become increasingly stressful over the last five days, and that in the past, when her job or relationships have become stressful, this has triggered abdominal cramps, and diarrhea that is temporarily relieved with bowel movements. She currently is afebrile, with a normal white blood cell count, and vital signs within normal limits. Which of the following is the most likely diagnosis?

Which of the following is described as a malformation resulting in narrowing or absence of a portion of the intestine?

What sign might indicate Hirshsprung's disease in a newborn?

What is the triad of symptoms often seen with intussusception?

What is the most common location for diverticulitis?

What tissue of the gastrointestinal tract is affected in Celiac disease?

What part of the bowel is most often affected by Crohn's disease?

What is the characteristic mucosal alteration seen in ulcerative colitis?

Frequent projectile, non-bilious vomiting starting 2-3 weeks after birth is indicative of what condition?

Full-thickness (transmural) ulceration of the bowel wall occurs in what condition?