When adrenaline is injected, it rapidly reverses the effects of a severe allergic reaction by reducing throat swelling, opening the airways, and maintaining blood pressure.

The appropriate first aid response for a severe allergic reaction (anaphylaxis) includes:Select 3 correct answers. Phoning the ambulance Administering adrenaline using an adrenaline autoinjector (EpiPen) Immediately moving the casualty to where the adrenaline autoinjector (EpiPen) is stored Continually monitoring the casualty’s physical condition

Adrenaline can not be administered by mouth because it is destroyed by digestive enzymes in the stomach. FALSETRUE

Imagine someone ingests a medication that prevents adrenaline from binding to beta receptors. What would likely happen if this person experienced a stressful situation that triggered their “fight or flight” response while taking this medication? Select all that apply.ResponsesThe heart will not beat as quickly as it usually would during a "fight or flight" response.The heart will not beat as quickly as it usually would during a "fight or flight" response.Smooth muscles in the gastrointestinal tract would contract.Smooth muscles in the gastrointestinal tract would contract.Phospholipase C will become less active than it typically is during a "fight or flight" response.Phospholipase C will become less active than it typically is during a "fight or flight" response.The adenynyl cyclase enzyme would become highly active.

True or False: ACE inhibitors can cause swelling of the face, arms, or airway.TRUEFALSE

> ndividual with allergic or atopic asthma, all of the following events would occur within minutes of exposure to an antigen, EXCEPT: > 1. **Increased levels of plasma cells in the airway** 2. Antigen interaction with IgE antibodies 3. Mast cell degranulation 4. Release of mediators such as histamine, prostaglandins and leukotrienes