Multiple Choice
Which statement is FALSE about cytotoxic T cells?
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20. Adaptive Immunity
Functions of T Lymphocytes
Multiple Choice
Which type of helper T cells are involved in fighting extracellular pathogens?
A
T1.
B
T2.
C
T17.
D
A and B.
E
B and C.
F
All types of helper T cells help fight extracellular pathogens.
Verified step by step guidance1
Understand the role of helper T cells: Helper T cells are a subset of T cells that play a crucial role in the immune system by activating and directing other immune cells.
Identify the types of helper T cells: The main types are TH1, TH2, and TH17, each with distinct functions in immune responses.
Focus on TH2 and TH17 cells: TH2 cells are primarily involved in fighting extracellular pathogens by stimulating B cells to produce antibodies. TH17 cells also contribute to the defense against extracellular pathogens by recruiting neutrophils and promoting inflammation.
Consider the context of extracellular pathogens: Extracellular pathogens are those that exist outside cells, such as bacteria and parasites, which require a specific immune response involving TH2 and TH17 cells.
Conclude with the correct types: Based on their roles, TH2 and TH17 cells are the types of helper T cells involved in fighting extracellular pathogens, as they coordinate the immune response to these threats.
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