This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Diagnostic criteria for SIRS include all except: \nSelect and explain. \nA. Hypotension, B. Tachycardia, C. Tachypnoea, D. Leucocytosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Systemic inflammatory response syndrome (SIRS):Two or more of the following conditionsFever (oral temperature >38 deg C) or hypothermia (<36 deg C)Tachypnea (>24 breaths/min)Tachycardia (hea rate >90/min)Leukocytosis (>12000/micro L), leucopenia (<4000/micro L), or >10% bands(ref:Harrison's 18/e p2223, table 271-1)", 'role': 'assistant'}]