This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Which of the following is not true about Rumination disorder ? \nSelect and explain. \nA. Failure to thrive, B. Appears between 3–5 years of age, C. Regurgitation of food, D. No nausea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rumination disorder (Rumination syndrome) \n\nRumination disorder is a lesser known form of disordered eating.\nRumination disorder typically develops in infant below the age of one year. Rumination disorder can also be diagnosed in older individuals including children, adolescents and adults.\nIt involves effortless regurgitation of swallowed or partially digested food.\nThere is no retching, nausea, odor or abdominal pain associated with this condition like there is with typical vomiting.\nAlthough spontaneous remissions are common, severe secondary complications can develop, such as progressive malnutrition, dehydration, and lower resistance to infections.\nFailure to thrive, with absence of growth and development delays in all areas, can occur.', 'role': 'assistant'}]