Immunology Quiz#15: Interferons

1. A 55-year-old man with chronic hepatitis C is treated with a drug known to enhance the antiviral state of cells and modulate the immune response. This drug belongs to a group of cytokines that are critical in the defense against viral infections. Which of the following types of interferon is this patient most likely receiving? 

Question 1 of 5

2. A researcher is studying the effect of a specific type of interferon on multiple sclerosis (MS). This interferon is known to decrease the frequency of relapses by modulating the immune response and reducing inflammation across the blood-brain barrier. Which of the following types of interferon is being studied for its therapeutic effects in MS? 

Question 2 of 5

3. During a viral infection, a type of interferon is produced primarily by dendritic cells and macrophages and plays a crucial role in the innate immune response by inducing the production of antiviral proteins in nearby cells. Which of the following types of interferon is first produced in response to a viral infection? 

Question 3 of 5

4. A patient with a history of recurrent mycobacterial infections is found to have a deficiency in a cytokine known for its ability to activate macrophages and enhance antigen presentation. This cytokine is also involved in promoting the differentiation of T cells into a subtype that is effective against intracellular pathogens. Which of the following types of interferon is most likely deficient in this patient? 

Question 4 of 5

5. A 45-year-old woman with rheumatoid arthritis is being evaluated for a new treatment option. The drug under consideration is known to inhibit the activity of a cytokine that plays a role in inflammation and autoimmunity by affecting both the innate and adaptive immune systems. This cytokine is not directly antiviral but is involved in modulating the immune response to infections. Which of the following types of interferon is most likely being targeted by this new treatment? 

Question 5 of 5


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