A 70 year old man presents to his physician with dyspnea and expiratory wheezes. He is a smoker for 30 years; he smokes 30 cigarettes per day. His pulmonary function tests report shows FEV1/FVC 0.47 with FEV1 of 40% that increased by 1% only after bronchodilator intake.
What is the single most likely ventilatory impairment of this diagnosis?

Question

A 70 year old man presents to his physician with dyspnea and expiratory wheezes. He is a smoker for 30 years; he smokes 30 cigarettes per day. His pulmonary function tests report shows FEV1/FVC 0.47 with FEV1 of 40% that increased by 1% only after bronchodilator intake. 
 What  is the single  most likely ventilatory impairment of this diagnosis?

Answer

mixed ventilatory impairment with positive bronchodilator response

Answer

restrictive ventilatory impairment with positive bronchodilator response

Answer

restrictive ventilatory impairment with negative bronchodilator response

Answer

obstructive ventilatory impairment with negative bronchodilator response

Answer

obstructive ventilatory impairment with positive bronchodilator response

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A 70 year old man presents to his physician with dyspnea and expiratory wheezes....

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