Immunology Quiz#5: MCH Complex I and II

1. A researcher is studying antigen presentation in the context of viral infections. She notes that infected cells present viral peptides to CD8+ T cells. This presentation facilitates the targeted killing of infected cells by the immune system. Which of the following molecules is primarily responsible for presenting these viral peptides? 

Question 1 of 5

2. A 65-year-old man with a history of chronic heart failure is undergoing evaluation for a heart transplant. In order to minimize the risk of transplant rejection, the compatibility of which of the following molecules is most crucial? 

Question 2 of 5

3. A patient presents with a skin rash and swollen lymph nodes. Biopsy of the affected skin shows an increased number of cells presenting antigen to CD4+ T cells, leading to an inflammatory response. Which of the following molecules is most likely being upregulated in the patient's antigen-presenting cells? 

Question 3 of 5

4. During a laboratory session, a medical student is asked to identify the mechanism by which intracellular bacteria are presented to the immune system. The student correctly identifies that the bacteria are processed and presented by which of the following pathways? 

Question 4 of 5

5. A group of scientists is developing a vaccine that targets a protein expressed by a pathogenic fungus. They aim to elicit a strong helper T cell response to facilitate clearance of the pathogen. To achieve this, the vaccine should be designed to present antigenic peptides via which of the following? 

Question 5 of 5


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