A group of students are reviewing the common conditions associated with the upper respiratory tract. The students demonstrate understanding of the material when they identify what as a response to a specific antigen?

Seasonal rhinitis

Explanation:

The seasonal allergic rhinitis refers to an inflammatory condition of the upper respiratory tract or upper airways especially nose caused by the exposure to the airborne allergens or harmless antigens like the pollens.

The seasonal rhinitis is usually observed during the fall season and spring when the pollens acts as an allergen and causes the itchy eyes, sneezing and runny nose.

The allergy is caused when the body produces a chemokine called histamine against the allergen and causes an inflammatory response.

Thus, Seasonal rhinitis is the correct answer.