A patient who has a high level of mast cell activity, dilation of blood vessels, and acute drop in blood pressure is likely suffering from ________.
A) an autoimmune disease
B) a typical skin allergy (contact dermatitis) that can be treated by antihistamines
C) an organ transplant, such as a skin graft
D) anaphylactic shock immediately following exposure to an allergen

Question

Quizplus · Accepted Answer

Mast cell activation, dilation of blood vessels, and acute drop in blood pressure are all characteristic symptoms of anaphylactic shock, which can occur after exposure to an allergen. This is a life-threatening medical emergency that requires immediate treatment, such as with epinephrine (adrenaline). Autoimmune diseases and organ transplants do not typically present with these symptoms, and antihistamines are not sufficient for treating anaphylaxis.

A Patient Who Has a High Level of Mast Cell