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': 'Adoptive immunity is by? \nSelect and explain. \nA. Infection, B. Injection of antibodies, C. Injection of lymphocytes, D. Immunization', 'role': 'user'}, {'content': "Answer: C \nExplanation: Aadoptive immunity: a special type of immunisation is the injection of immunologically competent lymphocytes. - instead of whole lymphocytes, an extract of immunologically competent lymphocytes, known as the transfer factor can be used. Reference: Anathanarayan & paniker's 9th edition, pg no:84 <\\p>", 'role': 'assistant'}]