Emergency Medical Responder Practice Exam

In cases of anaphylactic shock, the most critical and immediate treatment is the administration of epinephrine. Anaphylaxis is a severe allergic reaction that can lead to life-threatening symptoms, including difficulty breathing, swelling of the throat, and a drastic drop in blood pressure. Epinephrine works by rapidly counteracting the symptoms of anaphylaxis. It does this by causing the blood vessels to constrict, which helps to increase blood pressure, and by relaxing the muscles of the airways, allowing for improved airflow. Additionally, it helps to reduce swelling and hives.

While antihistamines can be helpful in treating allergic reactions, they are not effective in addressing the potentially life-threatening components of anaphylaxis and do not act quickly enough. Cold compresses may provide symptomatic relief for localized swelling or itching but are not a necessary treatment for anaphylactic shock. Performing CPR would only be indicated if the individual were unresponsive and not breathing, which is a secondary step after ensuring airway management and epinephrine administration in the context of anaphylaxis.

Therefore, administering epinephrine is the definitive and lifesaving treatment for anaphylaxis and is essential to stabilize the patient's condition.