1. Histamine results in 5 cardinal symptoms of inflammation:: Answer Warmth, red-ness, swelling, pain, and decreased function. 2. Hypersensitivity: Answer Overactive immunity with excessive inflammation occurring inresponse to the presence of an antigen to which the patient usually has been previously exposed (also known as allergy). 3. Hypersensitivity symptoms: Answer itchy, watery eyes, or sneezing life threatening: allergic asthma, angioedema, anaphylaxis, bronchoconstriction, or circulatory collapse 4. Most common hypersensitivity: Answer Type I hypersensitivity(rapid hypersensitivity) (atopic allergy) from excessive inflammation caused by overactive immunity 5. Examples of type I reactions: rapid or immediate: Answer -angioedema -anaphylaxis -allergic asthma -atopic allergies :hay fever and allergic rhinosinusitis allergies to substances: latex, bee venom, peanuts, iodine, shellfish, drugs, andmany other antigens that act as allergens 6. Acute inflammation occurs when: