Allergy is:Question 5Answera.when the immune system attacks and destroys the body‘s own cellsb.when the stress hormones lower the immune responsec.an overreaction of the immune system to a usually harmless substanceClear my choice

Allergies are an immune system response to substances which are harmless to most people. Allergic reactions happen when an allergic individual is exposed to an allergen and their body mistakenly perceives the allergen as a ------- then produces certain antibodies, which then trigger the release of histamine and other chemicals that cause common allergic reactions like itching and sneezing. Which choice completes the text so that it conforms to the conventions of Standard English? threat and their bodyeliminatethreat their bodyeliminatethreat. Their bodyeliminatethreat, their body

Allergens are substances that affect us by Blank______.Multiple choice question.causing uncontrolled growth of cellstriggering a response in our immune systemscausing mutations in our cells' DNAmimicking hormones and interrupting normal hormone functions

Allergy is an exaggerated immune response that is manifested by what reaction? Question 3Select one: a. all of the above b. inflammation c. fever d. Hypersensitivity

In type I hypersensitivities, allergen exposure triggers the immune system to produce __________. This is called the __________.ANSWERIgG; postsensitization exposureIgE; degranulationplasma cells; postsensitizing exposureIgE; sensitizing exposure

A sensitivity to something that most other people find harmless isGroup of answer choicesrare.an allergy.a progressive illness.a categorical challenge.