This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Meningitis with rash is seen in \nSelect and explain. \nA. Neisseria meningitidis, B. Hemophilus influenzae, C. Streptococcus agalactae, D. Pneumococcus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Meningitis and meningococcemia are caused by Neisseria meningitidis. In meningococcemia, acute fever, chills, malaise and prostration are common. The petechial rash occurs, metastatic involvement of joints, ears, lungs, eyes and adrenal may occur. Fulminant meningococcemia caused by Neisseria meningitidis is called Waterhouse Friderichsen syndrome. Fatal condition - characterized by shock, disseminated intravascular coagulation and multisystem failure. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 232", 'role': 'assistant'}]