When the body is exposed to allergens or irritants, it will trigger the immune systems through different mechanism. However, the common pathway would result to multi-cellular inflammation, enhanced bronchial responsiveness, airflow obstruction and activation of immunological cell infiltration. Here, the inflammatory cell infiltrate are composed of varying amounts of eosinophils, neutrophils, and lymphocytes.
Moreover, T cells in the lung appear to orchestrate an immune response with a strong T helper type 2 (Th2) component when allergens drive the process.
Answer:
c. contact and droplet precautions
Explanation:
SARS is a viral sickness that is transmitted basically by human contact directly, for example, with hugs, kisses, shaking hands, etc. But at the same time if the objects that a person touch has this microdrops of saliva or other liquids, in this way, the virus can be transmitted to a third person.
That is the reason to clean as much as you can the community areas to avoid contagion among the other members of the community.
