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': 'A 30 y.o. female patient is undergoing hemodialysis with an internal arteriovenous fistula in place. What do you do to prevent complications associated with this device? \nSelect and explain. \nA. Insert I.V. lines above the fistula, B. Avoid taking blood pressures in the arm with the fistula., C. Palpate pulses above the fistula, D. Report a bruit or thrill over the fistula to the doctor.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Don’t take\xa0blood pressure\xa0readings in the arm with the fistula because the compression could damage the fistula.\n\nOption A: IV lines shouldn’t be inserted in the arm used for hemodialysis.\nOption C: Palpate pulses below the fistula.\nOption D: Lack of bruit or thrill should be reported to the doctor.', 'role': 'assistant'}]