Multiple Choice
Which of the following answers is a major difference between cell-mediated and humoral immunity?
20. Adaptive Immunity
Introduction to T Lymphocytes
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Which of the following statements about effector T cells is NOT true?
A
Effector T cells are long-lived cells that allow the immune system to respond quickly to subsequent infections.
B
Effector T cells can take two forms:Cytotoxic T Cells & Helper T Cells.
C
Effector T cells trigger an immediate immune response to a novel infection.
D
Effector T cells are short-lived immune cells.
E
All of the above statements about effector T cells are true.
Verified step by step guidance1
Understand the role of effector T cells in the immune system. Effector T cells are crucial for the immediate response to infections. They are differentiated forms of T cells that actively engage in the immune response.
Identify the types of effector T cells. There are two main types: Cytotoxic T Cells, which kill infected cells, and Helper T Cells, which assist other immune cells.
Clarify the lifespan of effector T cells. Effector T cells are generally short-lived, as they are designed to respond quickly to infections and then die off once the infection is cleared.
Evaluate the statement about effector T cells being long-lived. This is incorrect because effector T cells are not long-lived; they are short-lived and do not provide long-term immunity.
Conclude by determining which statement is NOT true. The statement that effector T cells are long-lived is incorrect, as they are actually short-lived cells.
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