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Questions and Answers
Which of the following cells are the principal sources of cytokines in innate immunity?
Which of the following cells are the principal sources of cytokines in innate immunity?
- B cells
- Helper T lymphocytes
- Dendritic cells, macrophages, and mast cells (correct)
- Epithelial cells
Which of the following is not a powerful stimulus for cytokine secretion by macrophages and dendritic cells?
Which of the following is not a powerful stimulus for cytokine secretion by macrophages and dendritic cells?
- Recognition of host cells (correct)
- Recognition of bacterial cell wall components such as LPS and peptidoglycan
- Recognition of microbes
- Recognition of microbial nucleic acids
What is the function of cytokines in the immune system?
What is the function of cytokines in the immune system?
- To communicate between leukocytes and other cells (correct)
- To produce antibodies
- To mediate cellular reactions of adaptive immunity
- To destroy microbes
Which cytokines are involved in recruiting blood neutrophils and monocytes to sites of infection?
Which cytokines are involved in recruiting blood neutrophils and monocytes to sites of infection?
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What is the role of type I IFNs in viral infections?
What is the role of type I IFNs in viral infections?
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What is the defining feature of septic shock?
What is the defining feature of septic shock?
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Which cytokine is responsible for inducing fever by acting on the hypothalamus?
Which cytokine is responsible for inducing fever by acting on the hypothalamus?
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