Multiple Choice
Which of the following is not an innate immune response?
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21. The Immune System
The Innate Immune Response
Multiple Choice
Which of the following immune cells is primarily part of the innate immune response?
A
CD8+ cytotoxic T cell
B
Memory B cell
C
Plasma cell
D
Neutrophil
Verified step by step guidance1
Understand the two main branches of the immune system: the innate immune response and the adaptive immune response. The innate immune response provides immediate, non-specific defense against pathogens, while the adaptive immune response is specific and develops memory over time.
Identify the characteristics of the listed cells: CD8+ cytotoxic T cells, Memory B cells, and Plasma cells are all components of the adaptive immune system because they recognize specific antigens and have memory capabilities.
Recognize that neutrophils are a type of white blood cell that acts quickly and non-specifically to engulf and destroy pathogens, making them a key player in the innate immune response.
Recall that neutrophils are among the first immune cells to arrive at the site of infection and do not require prior exposure to a pathogen to respond, which is a hallmark of innate immunity.
Conclude that since neutrophils function as part of the immediate, non-specific defense mechanism, they are primarily part of the innate immune response, unlike the other cells listed.
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