This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'Young female with 3 days fever presents with headache, BP 90/60 mmHg, Heart rate of 114/min, and pin point spots developed distal to BP cuff. Most likely organism is: \nSelect and explain. \nA. Brucella abortus, B. Brucella suis, C. N. meningitidis, D. Staphylococcus aureus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., N. meningitidis (Ref: Harrison, 19th/e, p. 998)* The patient has low blood pressure, tachycardia (a state of shock) along with meningitis. Meningococcal meningitis is the most common meningitis complicated by shock.* Meningitis is the most common complication of meningococcemia. It usually begins suddenly with an intense headache, vomiting, and stiff neck and progresses to coma within a few hours.* The Glasgow Meningococcal Septicaemia Prognostic Score (GMSPS) is probably the best-performing scoring system studied so far and may be clinically useful for severity assessment in meningococcal disease.", 'role': 'assistant'}]