which of the following is a true statement about epinephrine auto-injectors, or eais?

Epinephrine auto-injectors (EAIs) are emergency devices that give a premeasured dose of epinephrine to treat life‑threatening allergic reactions (anaphylaxis).

Key true statements about EAIs

Here are statements that are true about epinephrine auto-injectors:

• They are designed to deliver a single, fixed dose of epinephrine (adrenaline), usually into the outer mid‑thigh muscle.

• They are used for the emergency treatment of anaphylaxis, a serious, potentially fatal allergic reaction.

• People at risk of anaphylaxis are advised to carry an epinephrine auto-injector with them at all times.

• Many devices are designed to be used through clothing, including jeans, so there is no need to remove clothes before injection.

• Early use (at the first signs of a severe reaction, such as trouble breathing or throat tightness) is recommended and is associated with better outcomes.

• One dose may not always be enough; a second dose can be needed if symptoms do not improve or return before medical help is available.

• Users should receive training and regularly practice with a trainer device for their specific brand, because misuse and accidental finger injections are well documented.

• The medication has an expiration date, and effectiveness decreases after expiry, though in an emergency, using a non‑cloudy, particle‑free expired device is considered better than no epinephrine at all.

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