This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory, Subject name: Medicine
[{'content': 'False about CURB-65 criteria to assess pneumonia severity is: \nSelect and explain. \nA. Urea >7 mmol/L, B. Respiratory rate >=30/min, C. Systolic blood pressure <=100 mmHg, D. Diastolic blood pressure <=60 mmHg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Systolic blood pressure <=100mmHgCURB-65 includes systolic blood pressure <=90mmHg as criteria, not <=100mmHg.The CURB-65 is used to assess the severity of pneumonia.It includes five variables:* Confusion* Urea >7mmol/L* Respiratory rate >=30/min* Blood pressure, systolic <=90mmHgor diastolic<=60mmHg* Age >= 65 years', 'role': 'assistant'}]