Mediated Immune Response

Multiple Choice

Which of the following best describes the primary function of cytokines in the immune system?

• They act as signaling proteins that allow cells to communicate and coordinate immune actions.

• They are enzymes that break down pathogens.

• They are structural proteins in cell membranes.

• They are hormones that regulate metabolism.

Multiple Choice

Which cytokine family is central to T cell development and self-tolerance?

• IL-1 family

• IL-2 family

• TNF-α

• Interferons

Multiple Select

Select all viruses that are known to block interferon signaling in infected cells.

• Ebola viruses

• Influenza A viruses

• Human papillomaviruses

• Herpes simplex viruses

Multiple Choice

What is the primary function of phagocytes such as macrophages, dendritic cells, and neutrophils?

• To produce antibodies

• To target and destroy bacterial cells, viral particles, or general debris

• To transport oxygen

• To produce hormones