Final answer:
A) Anaphylaxis is the term for the potentially deadly allergenic reaction that causes a total collapse of the circulatory system. It can result in severe symptoms and may lead to anaphylactic shock.
Step-by-step explanation:
The term for the potentially deadly allergenic reaction in which there is a total collapse of the circulatory system is A) Anaphylaxis.
Anaphylaxis is a rapid and systemic allergic reaction that can result in life-threatening symptoms.
Anaphylaxis can cause a dangerous drop in blood pressure, severe swelling of the throat that may close off the airway, and respiratory distress.
If untreated, it can lead to anaphylactic shock, which is a type of severe anaphylaxis.
Treatment for anaphylaxis usually involves administering epinephrine to control the immune reaction and stabilize the patient's condition.