you are very allergic to ragweed pollen, which gives you terrible hay fever. you remember from your own microbiology class that for you to have a reaction to this allergen every year, you must have become sensitized to it. which step is not involved in or does not lead to sensitization?

Question

08-11-2022
Biology

Answered

you are very allergic to ragweed pollen, which gives you terrible hay fever. you remember from your own microbiology class that for you to have a reaction to this allergen every year, you must have become sensitized to it. which step is not involved in or does not lead to sensitization?

Answer :

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MubeenaD MubeenaD · Answer 1 · 2022-11-11T09:37:31-05:00

The correct answer is (E) these are all the steps which lead to sensitization.

The question is incomplete. The complete question is:-

Following a long and cold winter season, you are anticipating the spring semester, when you will finish your degree in nursing. The sole thing that worries you is that every year in April or May, you catch allergies, which is coinciding with the time of your final exams. Your roommate is presently studying microbiology, so you choose to re-evaluate what you know regarding hypersensitivity with him.

You are extremely allergic to ragweed pollens due to which you get bad hay fever. You recall from your microbiology lesson that for you to develop a reaction to the allergen each year, you should have become sensitized to it. Which of the following steps is not included in or does not lead to sensitization?

A) On primary contact with the allergen, an antibody reaction is actuated in the individual.

B) Helper T-cells stimulate native B-cells, which multiply and undergo differentiation.

C) Plasma cells manufacture IgE antibodies specific to the antigen which commenced the reaction.

D) The Fc portion of the IgE antibody attaches to the receptors on mast cells or basophils, arranged in such a way that their Fab sites are unbound.

E) These are all the steps which lead to sensitization.

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