This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Humoral immunity arises from - \nSelect and explain. \nA. T cells, B. B cells, C. Null cell, D. K cell', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype. They function in the humoral immunity component of the adaptive immune system by secreting antibodies. Additionally, B cells present antigen (they are also classified as professional antigen-presenting cells (APCs)) and secrete cytokines. Reff : Anandhanarayanan &panikers textbook of microbiology 9th edition pg: 131 B cells,', 'role': 'assistant'}]