A patient with severe peanut allergy starts treatment with a…

A patient with severe peanut allergy starts treatment with an antibody that blocks IgE. After several months, they no longer have anaphylactic reactions when accidentally exposed to peanuts. What does this most clearly show about the role of IgE in Type I hypersensitivity?

A 24-year-old woman with a family history of autoimmune dise…

A 24-year-old woman with a family history of autoimmune disease has recurrent viral infections. Lab testing shows many self-reactive T cells in her periphery and unusually low numbers of regulatory T cells (Tregs). Based on what you learned about tolerance, explain why she is at high risk for autoimmunity.

You will have 60 minutes to plan, write, and proofread an es…

You will have 60 minutes to plan, write, and proofread an essay on ONE of the topics below. Topic 1. Describe problems we face when we move to a new place.  Topic 2. Describe what you would do if you won a million dollars. In your writing, you should Establish your main idea clearly Develop your main idea with adequate and relevant support Organize your ideas logically and coherently Make effective choices in vocabulary and sentence structure Observe the conventions of standard American English grammar, spelling, capitalization, and punctuation Take a few minutes to think about what you want to say before you start writing. Leave yourself a few minutes at the end of the period to proofread and make corrections.