microbiology Fungal infections such as athlete\'s foot are chronic. These fungi

Question

microbiology

Fungal infections such as athlete's foot are chronic. These fungi degrade skin keratin but are not invasive and do not produce toxins. Why do you suppose that many of the symptoms of a fungal infection are due to hypersensitivity to the fungus? After working in a mushroom farm for several months, a worker develops these symptoms: hives, edema, and swelling lymph nodes. a. What do these symptoms indicate? b. What mediators cause these symptoms? c. How may sensitivity to a particular antigen be determined? d. Other employees do not appear to have any immunological reactions. What could explain this? Physicians administering live, attenuated mumps and measles vaccines prepared in chick embryos are instructed to have epinephrine available. Epinephrine will not treat these viral infections. What is the purpose of keeping this drug on hand? A woman with blood type A+ once received a transfusion of AB+ blood. When she carried a type B+ fetus, the fetus developed hemolytic disease of the newborn. Explain why this fetus developed this condition even though another type B+ fetus in a different type A+ mother was normal.

Explanation / Answer

According to the Chegg guidelines I'll answer the first question when more than one question is posted.

Because you often get fungal infections either when the immune system is yours is very weak or it can be overactive. This makes you sensitive to fungal infections. When the skin gets fungal infection though it is not toxic and not invasive but the previous invasive chronic infection is remembered by antibodies in body and whenever again you get mold infection the body exaggerates the infection and produce more antibodies to fight the infection and these exaggerated immune response is causing the other symptoms that is not because of the fungus itself.

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