i need help to answer these Q

timer Asked: Dec 14th, 2017
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please answers these Q and provide me with references Links . All references must be website no book

1- This drug is called PrEP it supposedly prevents infection from HIV, how is that possible? 2- There are a couple antiviral medications that doctors recommend to help prevent the flu. Is it able to replace the flu vaccine in itself? Also can you compare tamiflu and relenza with each other and which one is better. Do they give the antiviral medications to prevent the flu or treat the flu? If they give the antivirals to prevent the flu, how far in advance of infection are they effective? (In other words, how far in advance of exposure do you have to take the antiviral medication for it to be effective in preventing the flu?) Do the antivirals only work to prevent the flu for a short time-period or a long time-period? How does this compare to the effectiveness of the flu vaccine in preventing the flu? 3- Today in class we talked a little bit about people growing into allergies that they didn't have before...are there cases where people grow out of the allergy they have had most of their lives? I know some can out grow asthma. 4- What are specific similarities AND differences of a pathogen vs. antigen? 5- Which category of hypersensitivity BEST describes hemolytic disease of the newborn caused by Rh incompatibility? 6- What represents the earliest stage in lymphocyte development? According to the Avidity Model, during the negative selection process, cells receiving which kind of signal through their antigen receptors die? 7- What is the role of the invariant chain? Which type of vaccine would MOST likely require an adjuvant? 8- Where would you be least likely to find significant levels of defensins?
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Tutor Answer

Alhandro K
School: Rice University

hey here is the work,kindly in case of anything let me know

Surname 1

Professor’s name
1. PrEP obtrudes the ways that HIV passes bring about permanent infection. For someone to
have HIV the virus needs to get inside the body, have some immune cells infected, replicate
itself in the immune cells then spread out to the whole body. Correct and consistent usage of
PrEP makes antiretroviral drugs enter the rectal tissue, genital and the bloodstream. This drug
prevents replication of HIV in the body which in turn prevents infection of ...

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Outstanding Job!!!!

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