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: Pathology
[{'content': 'Involved in Hereditary spherocytosis-a)  Spectrinb)  Ankyrinc)  Pyrind)  Band 4.2e)  Actin \nSelect and explain. \nA. acd, B. abd, C. abc, D. ab', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hereditary spherocytosis\n\nAnkyrin (most common)\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nBand 3 (protein 3 or Anion transport channel)\nSpectrin\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 \xa0\nBand 4.2', 'role': 'assistant'}]