What is a bronchopulmonary segment?

Is chronic bronchitis a problem with ventilation or diffusion?

Which of the following is an abnormal lower airway sound associated with breathing? A) Gurgling B) Snoring C) Stridor D) Wheezing

Mr. Chan is admitted to the emergency unit with shortness of breath. He had similar symptoms approximately 1 year ago with a chronic obstructive pulmonary disease (COPD) exacerbation requiring hospitalization. (a)  What is obstructive lung disease? How does it affect the oxygen and carbon dioxide content in the arterial blood?  (b)  Describe how the obstructive lung disease can be diagnosed by the spirometer. (c)  Mr. Chan’s lungs show a progressive destruction that is a form of COPD. (i) What is the name of the lung disease describing this form of COPD?  (ii) Describe and explain the change in lung compliance, airway resistance and pulmonary ventilation.  (d) Give one COPD exacerbation that Mr. Chan may experience. How can it affect pulmonary function?