This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Physiology
[{'content': "Kussmaul's breathing is seen in \nSelect and explain. \nA. Metabolic acidosis, B. Metabolic alkalosis, C. Respiratory acidosis, D. Respiratory alkalosis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Kussmaul breathing is a deep and labored breathing pattern often associated with severe metabolic acidosis, paicularly diabetic ketoacidosis (DKA) but also kidney failure. Ref: guyton and hall textbook of medical physiology 12 edition', 'role': 'assistant'}]