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Which of the following cells responds first when a person receives the MMR vaccination? A - VCE - SSCE Biology - Question 27 - 2022 - Paper 1
Question 27
Which of the following cells responds first when a person receives the MMR vaccination? A. helper T cells B. memory T cells C. cytotoxic T cells D. antigen-presentin... show full transcript
Worked Solution & Example Answer:Which of the following cells responds first when a person receives the MMR vaccination? A - VCE - SSCE Biology - Question 27 - 2022 - Paper 1
Step 1
Identify the correct cell type
Answer
Upon receiving the MMR vaccination, the first cells to respond are the antigen-presenting cells (APCs). These cells play a crucial role in initiating the immune response by processing and presenting antigens to T cells. Therefore, the correct answer is D. antigen-presenting cells.