A patient develops sudden breathing problems after recently increasing his workouts. He presents with rapid and shallow inspirations (hyperventilating). Through his occupation, he is exposed to environmental allergens like dust, cockroaches, and parasites. He doesn't have any other health issues except for a family history of asthma. The doctor suspects he suffers from an acute asthma attack. He is given a bronchodilator, and a spirometry test is ordered. Assuming he has average physiological values when healthy, which of the following spirometry readings would contradict the initial diagnosis? A) total lung capacity of 4L B) breathing frequency of 24 breaths/min C) tidal volume of 450mL D) decreased FEV1

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A patient develops sudden breathing problems after recently increasing his workouts. He presents with rapid and shallow inspirations (hyperventilating). Through his occupation, he is exposed to environmental allergens like dust, cockroaches, and parasites. He doesn't have any other health issues except for a family history of asthma. The doctor suspects he suffers from an acute asthma attack. He is given a bronchodilator, and a spirometry test is ordered.

Assuming he has average physiological values when healthy, which of the following spirometry readings would contradict the initial diagnosis?

A) total lung capacity of 4L

B) breathing frequency of 24 breaths/min

C) tidal volume of 450mL

D) decreased FEV1

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