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': 'True about secondary immune response is - \nSelect and explain. \nA. Long latent period, B. Usually of low titire, C. Antibodies appear in sho time, D. Persist for long', 'role': 'user'}, {'content': "Answer: C \nExplanation: if an individual who is actively immunized against an antigen experiences the same antigen subsequently, the immune response occurs more quickly and abundantly than during the first encounter. This is known as a secondary response. Reference : Anathanarayan & paniker's 9th edition, pg no:81,82 <\\p>", 'role': 'assistant'}]