Answer:
c.systemic anaphylaxis
Explanation:.
Anaphylaxis is an allergic reaction. It is life threatening and is very severe and dangerous. People suffers from such allergies when they come in contact with certain food, latex, medicines, insects stings, etc to to which they are allergic to.
When a person is exposed to such allergen, reaction occurs within minutes and if not treated medically with EpiPen injection or epinephrine, it can causes death or unconsciousness.
When Cecilia is stung by a bee, it stared causing reaction in her body. It released a chemical mediators in her body that resulted in the swelling of her throat and she finds difficult to breathe. But when her husband injected EpiPen injection, the EpiPen started to counteracts the response as epinephrine helps to maintain blood pressure and dilates the airways.
Thus the answer is
c.systemic anaphylaxis
