Context: Asthma is thought to be caused by a combination of genetic and environmental factors. Environmental factors include exposure to air pollution and allergens. Other potential triggers include medications such as aspirin and beta blockers. Diagnosis is usually based on the pattern of symptoms, response to therapy over time, and spirometry. Asthma is classified according to the frequency of symptoms, forced expiratory volume in one second (FEV1), and peak expiratory flow rate. It may also be classified as atopic or non-atopic where atopy refers to a predisposition toward developing a type 1 hypersensitivity reaction.

Question: What two factors cause asthma?
Answer: genetic and environmental factors

Question: What are two enviromental factors?
Answer: exposure to air pollution and allergens

Question: What medications can also trigger asthma?
Answer: aspirin and beta blockers

Question: What patterns are used to diagnose asthma?
Answer: the pattern of symptoms, response to therapy over time, and spirometry

Question: How is asthma classified?
Answer: according to the frequency of symptoms, forced expiratory volume in one second (FEV1), and peak expiratory flow rate

Question: How does usng aspirin activate allergens in others?
Answer: Unanswerable

Question: What are some triggers of spirometry?
Answer: Unanswerable

Question: How do you know if you are affected by spirometry?
Answer: Unanswerable

Question: How do you classify spirometry in people?
Answer: Unanswerable

Question: What two categories can spirometry also be classified into?
Answer: Unanswerable