Which of the following is a common characteristic of nonallergic asthma that a nurse might find when assessing an adult client?

Rationale: A. Improvement with antihistamines is characteristic of allergic asthma, not nonallergic asthma. B. Symptoms triggered by pollen exposure indicate allergic asthma. C. Wheezing and shortness of breath during exercise is a hallmark of nonallergic (exercise-induced) asthma, which is triggered by physical activity rather than allergens. D. Symptoms occurring only during spring and fall are linked to seasonal allergic asthma, not nonallergic asthma.