Final answer:
Anaphylactic shock is a severe allergic reaction that can cause a narrowing of airways and lowered blood pressure. It can be life-threatening if not treated promptly with epinephrine.
Step-by-step explanation:
Anaphylactic shock is a physical reaction that includes a possibly life-threatening narrowing of airways and lowered blood pressure. It is a severe allergic reaction that can occur when a person is exposed to an allergen. This reaction can cause the throat to swell, making it difficult to breathe, and can lead to a dangerous drop in blood pressure. If not treated promptly with epinephrine, anaphylactic shock can be fatal.