This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Anatomy
[{'content': 'The length of the feeding tube to be inseed for transpyloric feeding is measured from the tip of \nSelect and explain. \nA. Nose to the umblicus, B. Ear lobe to the umblicus, C. Nose to the pelvis, D. Ear lobe to the pelvis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The feeding tube length can be measured by following the normal route for tube i.e. Nasal ala - to ear lobe - to epigastium Since the distance between the nasal ala and ear lobe is almost equal to the distance between the epigastrium and umbilicus, the length can be measured from ear lobe to umbilicus.', 'role': 'assistant'}]