KNS 475 EXAM QUESTIONS AND
ANSWERS 2026 VERIFIED.
What is asthma characterized by? - ANS Chronic inflammation of the airways
What three immune cells contribute to asthma? - ANS Mast Cells
Eosinophils
Helper T Cells
What physiological changes does asthma cause? - ANS bronchoconstriction, mucus
secretion, and remodeling
What are the three asthma phenotypes? - ANS Eosinophilic
Neutrophilic
Exercise Induced Bronchospasm
1
,What percent of asthma cases are eosinophilic? (Most common) - ANS 50%
What Type of asthma is caused by Type 2 Helper Cells? - ANS Eosinophilic
T/F - Neutrophilic Asthma causes basement membrane thickening - ANS False
(eosinophilic)
What type of asthma is receptive to inhaled steroids? - ANS Eosinophilic
What percent of asthma is Neutrophilic? - ANS 20-40%
T/F - Neutrophilic Asthma is caused by environmental irritants - ANS True
What is the prevalence of exercise induced asthma in athletes with the disease? -
ANS 50%
What are the FEV1 Thresholds for asthma? - ANS FEV1 of less than 75-80% in adults
FEV1 of less than 90% in kids
What are the three causes of asthma? - ANS Exercise induced, Occupational, Allergy
induced
What is the prevalence of asthma? - ANS 1 in 13
What two groups is asthma more common in? - ANS Young boys
2
, Women
How many people die of asthma each day? - ANS 10
What is the main treatment for asthma? - ANS Beta agonists (Albuterol (short acting))
What percent of asthma people have symptoms during PA? - ANS 90%
T/F - Asthma usually prevents someone from exercising - ANS False
What guidelines should those with asthma follow? - ANS ACSM
What Type of exercise should be used for warmups in those with asthma? - ANS Interval
exercise
T/F - Albuterol can be used before exercise to prevent asthma symptoms - ANS True
T/F - Exercise can reverse lung remodeling from asthma - ANS False
What are some benefits of PA for those with asthma? - ANS Can reduce frequency and
intensity of exercise induced bronchospasm (EIB)
Less helper-T cells to lungs
May reduce need for meds
3
ANSWERS 2026 VERIFIED.
What is asthma characterized by? - ANS Chronic inflammation of the airways
What three immune cells contribute to asthma? - ANS Mast Cells
Eosinophils
Helper T Cells
What physiological changes does asthma cause? - ANS bronchoconstriction, mucus
secretion, and remodeling
What are the three asthma phenotypes? - ANS Eosinophilic
Neutrophilic
Exercise Induced Bronchospasm
1
,What percent of asthma cases are eosinophilic? (Most common) - ANS 50%
What Type of asthma is caused by Type 2 Helper Cells? - ANS Eosinophilic
T/F - Neutrophilic Asthma causes basement membrane thickening - ANS False
(eosinophilic)
What type of asthma is receptive to inhaled steroids? - ANS Eosinophilic
What percent of asthma is Neutrophilic? - ANS 20-40%
T/F - Neutrophilic Asthma is caused by environmental irritants - ANS True
What is the prevalence of exercise induced asthma in athletes with the disease? -
ANS 50%
What are the FEV1 Thresholds for asthma? - ANS FEV1 of less than 75-80% in adults
FEV1 of less than 90% in kids
What are the three causes of asthma? - ANS Exercise induced, Occupational, Allergy
induced
What is the prevalence of asthma? - ANS 1 in 13
What two groups is asthma more common in? - ANS Young boys
2
, Women
How many people die of asthma each day? - ANS 10
What is the main treatment for asthma? - ANS Beta agonists (Albuterol (short acting))
What percent of asthma people have symptoms during PA? - ANS 90%
T/F - Asthma usually prevents someone from exercising - ANS False
What guidelines should those with asthma follow? - ANS ACSM
What Type of exercise should be used for warmups in those with asthma? - ANS Interval
exercise
T/F - Albuterol can be used before exercise to prevent asthma symptoms - ANS True
T/F - Exercise can reverse lung remodeling from asthma - ANS False
What are some benefits of PA for those with asthma? - ANS Can reduce frequency and
intensity of exercise induced bronchospasm (EIB)
Less helper-T cells to lungs
May reduce need for meds
3
