Acquired Immunity II: B Lymphocytes and Antibodies

Concept: B Cells-- Plasma and Memory Cells

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Concept: Antibody Structure-- Fab and Fc Regions

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Concept: Antibody Types

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Concept: Antibody Functions

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Problem: Will Miller is a 20-year-old college student who presents to Student Health with a three-day history of fever, sore throat, and muscle aches. His roommate had similar symptoms last week. He did not have an influenza vaccination this year, and is diagnosed with influenza by the student health nurse practitioner.

Will feels better three days later. Which of the following cell types mediated this recovery? 

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Problem: Will Miller is a 20-year-old college student who presents to Student Health with a three-day history of fever, sore throat, and muscle aches. His roommate had similar symptoms last week. He did not have an influenza vaccination this year, and is diagnosed with influenza by the student health nurse practitioner.

Will’s ability to fight off the infection relied on the interaction between influenza virus and the antibodies generated by his B cells. Which of the following parts of his antibodies interacted most directly with/bound to the influenza virus particles? 

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Problem: Will Miller is a 20-year-old college student who presents to Student Health with a three-day history of fever, sore throat, and muscle aches. His roommate had similar symptoms last week. He did not have an influenza vaccination this year, and is diagnosed with influenza by the student health nurse practitioner.

One month later, Will’s girlfriend gets sick with similar symptoms. Will does not get sick again. Which of the following types of antibodies mediated this protection against a second infection? 

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Problem: Which of the following accurately describes the immune response Will’s body mounted when his immune system was challenged by pathogens from his girlfriend?

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